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jockey
jockey (Product Code: SCL-374/086) is a pencil-type sliding contact used to locate the balance point along the wire in Wheatstone bridge and potentiometer experiments in physics laboratories. Students hold it by its insulated handle and touch its plated brass contact to the wire, while a plated brass terminal with a 4 mm socket links it to the galvanometer. The jockey is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Pencil jockey (sliding contact) |
| Handle | Insulated |
| Contact | Plated brass |
| Terminal | Plated brass, with 4 mm socket |
| Used in | Wheatstone bridge and potentiometer experiments |
| Product code | SCL-374/086 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Pencil Jockey Used For?
On a meter bridge or Wheatstone bridge, the jockey is connected through the galvanometer and tapped at points along the bridge wire until the galvanometer shows no deflection; that null point gives the balancing length used to calculate an unknown resistance. On a potentiometer, the same technique finds the balancing lengths for comparing the EMFs of two cells or measuring a cell’s internal resistance.
This makes the jockey an essential accessory for meter bridge lab work in India and for every potentiometer practical. Press it gently and briefly, lift it, then move to the next point — dragging a pressed jockey scrapes the wire and changes its resistance per unit length. Hold it only by the insulated handle and keep the brass tip clean for a reliable contact.
What to Specify When Ordering
- The number of jockeys needed, usually one per bridge or potentiometer.
- That your galvanometer leads use 4 mm plugs to fit the socket terminal.
- Whether a meter bridge, potentiometer or galvanometer should be quoted with it.
OEM Manufacturer
The jockey is produced by Jain Scientific Equipments Private Limited, trading as ScienceLab, at its own licensed factory in Saha, Ambala, Haryana, where the company is the original equipment manufacturer (OEM) of its bridge and potentiometer accessories. Because it comes straight from the maker, schools, colleges, dealers and importers can add it to bridge orders and ask us directly about replacement pieces or repeat quantities. Learn more on the company profile.
Related Physics Lab Equipment
Apparatus the jockey is used with during balance-point experiments:
- Meter Bridge — the bridge wire on which the jockey finds the null point.
- Wheatstone Bridge Apparatus — for resistance measurement using the same balance method.
- Potentiometer, 10 wire — long-wire apparatus where the jockey locates balancing lengths.
- Moving Coil Galvanometer — shows the zero deflection at the balance point.
- Banana Plug Connectors Leads — 4 mm leads to join the jockey to the galvanometer.
Find more electricity apparatus in the Physics Lab category.
Frequently Asked Questions
What is the jockey used for?
The jockey is a pencil-type sliding contact used to find the balance, or null, point on the wire of a Wheatstone bridge or potentiometer. It links the wire to the galvanometer, and the point where the galvanometer shows no deflection gives the balancing length.
How does the jockey connect to the circuit?
The jockey connects through a plated brass terminal fitted with a 4 mm socket, so a lead with a 4 mm plug can join it to the galvanometer. The plated brass contact at its tip then touches the bridge or potentiometer wire wherever a reading is needed.
Why does the jockey have an insulated handle?
The insulated handle lets students hold the jockey without their hand touching the conducting parts, which keeps readings steady and avoids stray contact. It also gives a comfortable pencil-style grip for placing the contact precisely along the wire.
How should the jockey be used to protect the bridge wire?
Press the jockey gently and briefly onto the wire, lift it, and move to the next point instead of dragging it while pressed. Scraping the contact along the wire wears it unevenly and changes its resistance per unit length, which spoils later readings.
Who manufactures the jockey?
The jockey is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to schools, colleges, dealers and importers in India and international markets.
Can the jockey be ordered as a spare for existing bridges?
Yes, the jockey can be quoted on its own as a spare for existing meter bridge, Wheatstone bridge or potentiometer setups, or together with new apparatus. Tell us the quantity and confirm that your leads use 4 mm plugs when you request a quotation.
Request a Quote
Ask for a jockey quotation through the contact page or place it in the enquiry cart. You will receive the quotation directly from the manufacturer.
Last updated: 24 September 2026
Leclanche Cell
Leclanche Cell (Product Code: SCL-376/087) is a primary cell apparatus used to provide and study a chemical source of EMF in school and college physics practicals. It consists of a zinc rod of 12.5 mm diameter and a charged porous pot of 150 x 60 mm (height x diameter) with terminals, giving an EMF of about 1.4 V. The cell is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Cell type | Leclanche cell (primary cell) |
| Zinc rod diameter | 12.5 mm |
| Porous pot | Charged, 150 x 60 mm (height x diameter) |
| Terminals | Provided |
| EMF | About 1.4 V |
| Product code | SCL-376/087 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Leclanche Cell Used For?
The Leclanche cell is a standard item of physics practical equipment for CBSE and state-board labs, where students compare its EMF with that of a Daniell cell on a potentiometer. It also shows how a classic wet primary cell works: the zinc rod forms the negative electrode, while the charged porous pot holds the positive electrode and its depolarising mixture.
To set it up, the zinc rod and porous pot are placed in the cell’s electrolyte and connected by their terminals. A Leclanche cell polarises if it supplies current for long periods, so it suits intermittent use — close the circuit with a key only while taking readings, and let the cell rest between trials.
What to Specify When Ordering
- The number of Leclanche cells needed for your practical groups.
- Whether you also need an outer container and ammonium chloride for the electrolyte.
- Any companion cell and potentiometer for EMF-comparison experiments.
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, is the OEM of this Leclanche Cell and makes it at its own licensed factory at Saha, Ambala, Haryana, India. Schools, colleges, dealers and importers buy it direct from the manufacturer, and repeat orders or replacement zinc rods and porous pots can be discussed with us directly. For vendor registration, the company’s details are GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. Read more on the company profile.
Related Physics Lab Equipment
Items used with the Leclanche cell in EMF experiments:
- Deniel Cell — a Daniell-type cell whose EMF is compared with the Leclanche cell.
- Potentiometer, 10 wire — measures the EMF by the null method without drawing current.
- Ammonium Chloride 99% — the chemical traditionally used for the cell’s electrolyte.
- jockey — locates the balance point on the potentiometer wire.
- Voltmeter — for quick checks of the cell’s terminal voltage.
See the Physics Lab category for more cells and electricity apparatus.
Frequently Asked Questions
What EMF does the Leclanche Cell give?
The Leclanche Cell gives an EMF of about 1.4 V. That value makes it a useful known source in potentiometer practicals, where students compare its EMF with that of another primary cell such as a Daniell cell.
What are the parts of the Leclanche Cell?
The Leclanche Cell consists of a zinc rod of 12.5 mm diameter and a charged porous pot measuring 150 x 60 mm (height x diameter), fitted with terminals. The zinc rod and the porous pot form the two electrodes of the cell.
Are an outer jar and electrolyte included with the Leclanche Cell?
Our listing for the Leclanche Cell describes the zinc rod and the charged porous pot with terminals. Whether an outer container or ammonium chloride for the electrolyte is included should be confirmed through the contact page, and it will be stated in your quotation.
Why is the Leclanche Cell measured with a potentiometer?
A potentiometer measures the Leclanche Cell’s EMF at the balance point, where no current is drawn from the cell. This matters because a Leclanche cell polarises when it delivers current for long periods, so a null method gives a truer value than a loaded reading.
How should the Leclanche Cell be stored between practicals?
Store the Leclanche Cell clean and dry: take the zinc rod and porous pot out of any electrolyte, rinse and dry the zinc, and keep the parts in a cool cupboard. The working life of the charged pot depends on use and storage, so ask us about replacements.
Who manufactures the Leclanche Cell?
The Leclanche Cell is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to schools, colleges, dealers and importers in India and international markets.
Request a Quote
Request a Leclanche Cell quotation through the contact page or add it to the enquiry cart. Quotations come straight from the manufacturer.
Last updated: 24 September 2026
Deniel Cell
Deniel Cell (Product Code: SCL378/088) is a Daniell-type primary cell used to provide a steady chemical source of EMF in school and college physics practicals. It combines a heavy-gauge copper outer vessel, a porous pot and an amalgamated zinc rod, and gives an EMF of 1.1 V with a working capacity of about 0.85 L. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, for school physics lab equipment in India.
Specifications
| Parameter | Detail |
|---|---|
| Cell type | Daniell cell (primary cell) |
| Outer vessel | Heavy-gauge copper, 130 x 90 mm (height x diameter) |
| Internal shelf | Perforated, for copper sulphate crystals |
| Porous pot | 150 x 50 mm (height x diameter) |
| Zinc rod | Amalgamated, 150 x 12 mm (height x diameter), fitted with a wooden supporting cap |
| Terminals | 4 mm socket terminals on the zinc rod and the copper vessel |
| EMF | 1.1 V |
| Working capacity | About 0.85 L |
| Product code | SCL378/088 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Daniell Cell Used For?
In this cell the copper vessel acts as the positive electrode in copper sulphate solution, while the zinc rod stands in the porous pot as the negative electrode; the pot keeps the two solutions apart but lets ions pass. Crystals resting on the perforated shelf keep the copper sulphate solution saturated as the cell works, which is why a Daniell cell holds a steady EMF.
Teachers use it as a reference cell on the potentiometer, for comparing its EMF with a Leclanche cell, and for demonstrating how chemical energy becomes electrical energy. After each session, lift the zinc rod out on its wooden cap, rinse the porous pot, and empty and dry the copper vessel so the parts last longer.
What to Specify When Ordering
- The number of cells needed for your practical groups.
- Whether copper sulphate crystals or other electrolyte chemicals should be quoted with the cells.
- Connecting leads with 4 mm plugs to suit the socket terminals.
OEM Manufacturer
ScienceLab, the trading name of Jain Scientific Equipments Private Limited, makes this cell as the OEM, with the copper vessel, porous pot, zinc rod and terminals made and assembled at the company’s own licensed factory at Saha, Ambala, Haryana, India. Institutions and dealers deal with the manufacturer directly, so replacement porous pots or zinc rods and repeat quantities can be requested from us without a trader in between. Further details are on the company profile.
Related Physics Lab Equipment
Items used with a Daniell cell in EMF and electrochemistry practicals:
- Leclanche Cell — the second primary cell in EMF-comparison experiments.
- Potentiometer, 10 wire — measures the cell’s EMF by the null method.
- Cupric Sulphate (Copper Sulphate) — crystals for the solution around the copper electrode.
- Daniell Cell — an alternative design with a clay vessel and battery glass.
- Banana Plug Connectors Leads — 4 mm leads for the socket terminals.
Browse the Physics Lab category for more electricity apparatus.
Frequently Asked Questions
What EMF does the Deniel Cell give?
The Deniel Cell, a Daniell-type cell, gives an EMF of 1.1 V. Copper sulphate crystals on its internal shelf keep the solution around the copper electrode saturated, helping the cell hold a steady EMF through a school or college practical.
What are the dimensions of the Deniel Cell parts?
In the Deniel Cell, the copper vessel measures 130 x 90 mm, the porous pot 150 x 50 mm and the zinc rod 150 x 12 mm, all given as height x diameter. The assembled cell has a working capacity of about 0.85 L.
How are connections made to the Deniel Cell?
The Deniel Cell has 4 mm socket terminals on both the zinc rod and the copper vessel, so leads with 4 mm banana plugs connect directly. The copper vessel is the positive terminal of the cell and the zinc rod is the negative terminal.
Are copper sulphate crystals included with the Deniel Cell?
The Deniel Cell has an internal perforated shelf designed to hold copper sulphate crystals, but our listing does not state that crystals or other electrolytes are included. Please confirm them through the contact page so they can be added to your quotation if needed.
How should the Deniel Cell zinc rod be cared for?
Lift the Deniel Cell’s amalgamated zinc rod out of the solution whenever the cell is not in use, rinse it and let it dry on its wooden cap. Avoid scraping the amalgamated surface, handle the rod with gloves and wash hands after use.
Who manufactures the Deniel Cell?
The Deniel Cell is manufactured by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, as the OEM at its own factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to schools, colleges, dealers and importers in India and international markets.
Request a Quote
For a Deniel Cell quotation, write to us through the contact page or add the cell to the enquiry cart. The quotation is sent directly by the manufacturer.
Last updated: 24 September 2026
Dry Cell (Rechargeable) 1.5 V
Dry Cell (Rechargeable) 1.5 V (Product Code: SCL-380/089) is a cylindrical 1.5 V dry cell used to power small circuits, bulbs, buzzers and demonstration apparatus in school physics labs. It has a black cylindrical body, is listed with lithium as its material, and is a common power source for electricity experiment kits in schools. The cell is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Nominal voltage | 1.5 V |
| Material | Lithium |
| Shape | Cylindrical |
| Colour | Black |
| Product code | SCL-380/089 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is a 1.5 V Dry Cell Used For?
A 1.5 V dry cell is the everyday power source for middle-school electricity lessons: lighting a torch bulb, sounding a buzzer, running a small motor or showing conduction through different materials. Connecting two cells in series shows students how voltages add, while a voltmeter across the terminals introduces the idea of terminal voltage.
Fit cells into a holder with the correct polarity, never short-circuit the terminals, and take cells out of apparatus at the end of each lesson. Store them in a cool, dry cupboard away from loose metal parts, charge them only by the method we confirm for the cells supplied, and send spent cells for proper battery disposal.
What to Specify When Ordering
- The cell size that fits your holders and apparatus, as size is not stated in our listing.
- The number of cells needed for your classes or kits.
- The charging arrangement and whether a matching charger is required.
- Any cell holders, switches or bulbs to be quoted with the cells.
Supplier
This cell is supplied by Jain Scientific Equipments Private Limited, which trades as ScienceLab and operates from Ambala, Haryana, India. Schools, colleges, dealers and importers in India and international markets can include the cells in the same enquiry as their holders, switches, meters and other electricity apparatus. For more about the company, visit the ScienceLab profile.
Related Physics Lab Equipment
Items commonly powered by, or used with, 1.5 V cells:
- Circuits Kit Cell Holder — holds cells securely with the correct polarity.
- Electric Switch — opens and closes simple cell-powered circuits.
- LED — a low-current load for demonstrating cell-powered circuits.
- Voltmeter — measures the terminal voltage of single cells and series combinations.
- Battery Eliminator 12 Volt — a mains-powered DC alternative for higher-voltage circuits.
Explore the Physics Lab category for more electricity items.
Frequently Asked Questions
What voltage does the Dry Cell (Rechargeable) 1.5 V give?
The Dry Cell (Rechargeable) 1.5 V has a nominal voltage of 1.5 V. Two cells connected in series give about double that voltage, which lets students see how cell voltages add up in simple school circuits.
What is the Dry Cell (Rechargeable) 1.5 V made of?
The Dry Cell (Rechargeable) 1.5 V is listed with lithium as its material, in a black cylindrical body. Please confirm the exact cell size and capacity with us when you request a quotation, so the cells fit your holders and apparatus.
Is a charger supplied with the Dry Cell (Rechargeable) 1.5 V?
A charger is not listed with the Dry Cell (Rechargeable) 1.5 V. Please confirm the charging arrangement and any matching charger through the contact page before ordering, and use only the charging method we confirm for the cells you receive.
How should the Dry Cell (Rechargeable) 1.5 V be handled in class?
Fit the Dry Cell (Rechargeable) 1.5 V into a holder with the correct polarity, never short-circuit its terminals, and remove cells from apparatus after the lesson. Store them in a cool, dry place away from metal objects that could bridge the terminals.
Who supplies the Dry Cell (Rechargeable) 1.5 V?
The Dry Cell (Rechargeable) 1.5 V is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, from Ambala, Haryana, India. It is offered to schools, colleges, dealers and importers in India and international markets along with other physics lab items.
Can the Dry Cell (Rechargeable) 1.5 V be ordered in bulk?
Yes, the Dry Cell (Rechargeable) 1.5 V can be quoted in bulk for schools, colleges, dealers and tenders. State the quantity, the cell size required and your delivery location so that the quotation matches your apparatus.
Request a Quote
Ask for a Dry Cell (Rechargeable) 1.5 V quotation through the contact page or add it to the enquiry cart, mentioning the cell size and quantity you need.
Last updated: 24 September 2026
Sand Paper
Sand Paper (Product Code: SCL-382/090) is an abrasive cloth sheet used to remove rust and corrosion and for metal sanding work in school and college laboratories. Its extra-sharp abrasive particles cut quickly, which makes it handy for cleaning wire ends, terminals and metal parts before physics practicals. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, alongside its school lab equipment in India.
Key Details
| Parameter | Detail |
|---|---|
| Type | Abrasive cloth sheets |
| Abrasive | Extra-sharp particles for faster cutting |
| Used for | Removing rust and corrosion; metal sanding work |
| Product code | SCL-382/090 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Sand Paper Used For?
In electricity practicals, sand paper removes the covering and oxide film from the ends of connecting wires and enamelled coil wire, so that each joint makes clean metal-to-metal contact. It also brightens tarnished terminals and cell electrodes, and takes surface rust off iron stands, clamps and metal sheets used elsewhere in the lab.
Cut a sheet into small strips so each group has its own piece, fold a strip over the wire end and draw the wire through gently until the copper shines. Avoid heavy rubbing on thin or calibrated resistance wires, wipe away the metal dust afterwards, and keep unused sheets flat and dry in a drawer.
What to Specify When Ordering
- The number of sheets your laboratory needs.
- The grit or grade you prefer, as it is not stated in our listing.
- The sheet size, if your practical work needs a particular size.
Supplier
Jain Scientific Equipments Private Limited, which trades as ScienceLab, supplies this sand paper from Ambala, Haryana, India, so that labs can order the small consumables for circuit work together with their apparatus. Schools, colleges, dealers and importers in India and international markets can add it to any physics lab enquiry. You can read about the company on its profile page.
Related Physics Lab Equipment
Items that sand paper is used with when preparing connections:
- Connecting Wire — DCC copper wire whose ends are cleaned before connecting.
- Wire Cutter — cuts wire to length before the ends are sanded.
- Tool Kit — general tools for maintaining lab apparatus.
- Electromagnet for Demo — enamelled copper coils whose wire ends need clean contact.
- Crocodile Clip For Connections — clips that make firmer contact on bright, clean wire.
Visit the Physics Lab category for more apparatus and consumables.
Frequently Asked Questions
What is the Sand Paper used for?
The Sand Paper is used to remove rust and corrosion and for metal sanding work. In a physics lab it mainly cleans the ends of connecting wires, terminals and metal parts, so electrical connections make good, low-resistance contact during experiments.
What grit is the Sand Paper?
The grit or grade of the Sand Paper is not stated in our listing. If you need a particular grade, such as a finer sheet for delicate wire ends, mention it through the contact page and we will confirm what can be supplied.
Is the Sand Paper paper-backed or cloth-backed?
The Sand Paper is supplied as abrasive cloth sheets with extra-sharp particles for faster cutting. A cloth backing is tougher than ordinary paper, so the sheet resists tearing when students fold it around a wire or rub a terminal.
How should students use the Sand Paper on wire ends?
Fold a small piece of the Sand Paper over the wire end and draw the wire through gently until the copper is bright, then wipe off the dust. Avoid heavy rubbing on thin or calibrated resistance wires, because removing metal changes their resistance.
Who supplies the Sand Paper?
The Sand Paper is supplied by Jain Scientific Equipments Pvt Ltd, trading as ScienceLab, from Ambala, Haryana, India. It is available to schools, colleges, dealers and importers in India and international markets along with other physics lab items.
How much Sand Paper should a laboratory order?
The quantity of Sand Paper depends on how many benches and practical groups you run, since sheets are usually cut into small strips. Tell us the number of sheets and your delivery location through the contact page to receive a quotation.
Request a Quote
Request a Sand Paper quotation through the contact page or add it to the enquiry cart along with the rest of your physics lab list.
Last updated: 24 September 2026
Electromagnet for Demo
Electromagnet for Demo (Product Code: SCL-385/091) is a U-shaped demonstration electromagnet used to show how an electric current produces magnetism in school and college physics classes. Its iron core of circular section carries two enamelled copper coils joined in series, with an armature and carrying hook for lifting demonstrations, and it operates on 3–6 V DC. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | U-shaped demonstration electromagnet |
| Core | Iron, U-shaped, of circular section |
| Coils | Two coils of enamelled copper wire, one on each arm, joined in series |
| Accessories | Armature and carrying hook |
| Operating supply | 3–6 V DC |
| Product code | SCL-385/091 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Demonstration Electromagnet Used For?
When the coils are connected to a low-voltage DC supply, the iron core becomes magnetised and pulls the armature across both poles; loads hung from the carrying hook show how firmly it holds. Switching the current off releases the armature at once, which makes the point that an electromagnet’s magnetism lasts only while current flows — a core lesson for any magnetism experiment kit in India.
Teachers also use it with a compass to identify the poles, reverse the supply to show the poles swapping, and sprinkle iron filings on card to reveal the field. Keep the supply within 3–6 V DC, switch on through a key only while demonstrating so the coils do not overheat, and add loads gradually.
What to Specify When Ordering
- The number of electromagnets needed for demonstrations or student groups.
- Whether cells or a DC supply within 3–6 V should be quoted with them.
- Any keys, leads, compasses or iron filings for the same lesson.
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597), which builds this electromagnet as the OEM. Production takes place at the company’s licensed factory at 449, HSIIDC Industrial Area, Saha, Ambala, Haryana (Factory Licence AMB-ONLINE-CHD-J-414), and units go factory-direct to schools, colleges, dealers and importers. Ask us directly about replacement armatures or repeat quantities, and see the company profile for more.
Related Physics Lab Equipment
Apparatus used in the same magnetism lesson:
- Horse Shoe Magnets — permanent magnets for comparison with the electromagnet.
- Magnetic Compass Small Size — identifies the north and south poles of each arm.
- Iron Filling — reveals the magnetic field pattern around the poles.
- Dry Cell (Rechargeable) 1.5 V — cells in series can supply a voltage within the operating range.
- One Way Key — switches the coil current on only while demonstrating.
The Physics Lab category has more magnetism and electricity apparatus.
Frequently Asked Questions
What voltage does the Electromagnet for Demo need?
The Electromagnet for Demo operates on 3–6 V DC. A few cells in series or a low-voltage DC supply set within that range will magnetise the core, and staying within the range protects the coils from overheating during a lesson.
How are the coils of the Electromagnet for Demo arranged?
The Electromagnet for Demo has two coils of enamelled copper wire, one wound on each arm of its U-shaped iron core, and the coils are joined in series. This arrangement makes the two arm ends act as opposite poles, like a horseshoe magnet.
What are the armature and hook of the Electromagnet for Demo for?
The armature is the iron bar that the Electromagnet for Demo attracts across its two poles, and the carrying hook lets you hang loads from it. Adding loads step by step shows students how strongly the electromagnet holds while current flows.
How can the Electromagnet for Demo show that its magnetism is temporary?
Connect the Electromagnet for Demo through a key, let it hold the armature, then open the key: the armature drops as soon as the current stops. Reversing the supply leads and testing the arm ends with a compass also shows the poles changing.
Who manufactures the Electromagnet for Demo?
The Electromagnet for Demo is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own licensed factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to buyers in India and international markets.
What should an Electromagnet for Demo quotation request include?
An Electromagnet for Demo quotation request should give the quantity, the delivery location and whether cells, a DC supply, keys or compasses are needed too. The manufacturer then quotes directly for the complete demonstration set in one reply.
Request a Quote
Send your Electromagnet for Demo enquiry through the contact page or add it to the enquiry cart. Quotations come directly from the manufacturer in Ambala.
Last updated: 24 September 2026
Optical Bench with 3 Stands
Optical Bench with 3 Stands (Product Code: SCL-388/092) is a one-metre, double-rod optical bench used to mount and align mirrors, lenses and object needles for focal-length experiments in school and college physics labs. One rod is stainless steel graduated in millimetres and the other chrome-plated steel, both carried on heavy cast iron feet with levelling screws. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Optical bench, metal double rod |
| Length | One metre |
| Rods | Two: one stainless steel, graduated in mm; one chrome-plated (C.P.) steel |
| Supports | Heavy cast iron feet with levelling screws |
| Sliders | Four specially designed metal sliders, index-marked for reading on the scale |
| Slow motion | Two sliders with transverse slow-motion arrangement |
| Product code | SCL-388/092 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is an Optical Bench Used For?
An optical bench holds the object needle, the mirror or lens and the image needle on one straight, graduated track, so students can measure object and image distances precisely. It is the standard setup for finding the focal length of a concave mirror or convex lens by the u–v method, and a core piece of optics lab equipment in India for senior secondary practicals.
Level the bench with the screws on its cast iron feet before starting, then read each position from the index mark on its slider against the millimetre scale. The transverse slow-motion sliders let students bring needle tips exactly into line and remove parallax, and wiping the rods clean after use keeps the sliders running smoothly.
What to Specify When Ordering
- The number of optical benches required for your practical groups.
- The stand and slider configuration you need, confirmed at quotation.
- Which mirrors and lenses should be quoted with the benches.
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, manufactures this optical bench as the OEM at its own factory in Saha, Ambala, Haryana, India, where the bench is made and assembled. Buying from the manufacturer means sliders, stands and replacement parts can be requested directly — just ask us — and quotations for a complete optics setup come from one source. The company’s background is on its profile page.
Related Physics Lab Equipment
Optics items used on the bench in focal-length experiments:
- Concave Mirror — its focal length is found on the bench by the u–v method.
- Convex Lens — mounted between the needles to locate real images.
- Convex Mirror — studied on the bench with the help of a convex lens.
- Concave Lens — used with a convex lens to find its focal length.
- Optical Bench Kit — an alternative bench arrangement from the physics range.
More optics apparatus is listed in the Physics Lab category.
Frequently Asked Questions
How long is the Optical Bench with 3 Stands?
The Optical Bench with 3 Stands is one metre long. Its stainless steel rod is graduated in millimetres, so the positions of the mirror, lens and needles can be read directly from the index marks on the sliders.
What are the rods of the Optical Bench with 3 Stands made of?
The Optical Bench with 3 Stands has two rods: one of stainless steel graduated in millimetres and one of chrome-plated steel. Both rods are supported on heavy cast iron feet fitted with levelling screws, giving a steady and level track.
What sliders come with the Optical Bench with 3 Stands?
The listing for the Optical Bench with 3 Stands describes four specially designed metal sliders with index marks for reading on the scale, two of them with a transverse slow-motion arrangement. Please confirm the stand and slider configuration you need when requesting a quotation.
Which experiments use the Optical Bench with 3 Stands?
The Optical Bench with 3 Stands is used to find the focal length of a concave mirror or convex lens by the u–v method and to study image formation. Its transverse slow motion helps students align needle tips and remove parallax accurately.
How is the Optical Bench with 3 Stands levelled?
Level the Optical Bench with 3 Stands by adjusting the screws on its cast iron feet until the rods are horizontal, then check that every slider moves freely along the full length. A level bench keeps the optical axis aligned during readings.
Who manufactures the Optical Bench with 3 Stands?
The Optical Bench with 3 Stands is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to schools, colleges, dealers and importers in India and international markets.
Request a Quote
Request an Optical Bench with 3 Stands quotation through the contact page or add it to the enquiry cart. Quotations are sent directly by the manufacturer.
Last updated: 24 September 2026
Plane Mirror
Plane Mirror (Product Code: SCL-390/093) is a small rectangular glass mirror used to study the reflection of light in school and college physics labs. It measures 75 x 25 mm and is made of clear borosilicate glass in a plain pattern, a handy strip size for ray-tracing on a drawing board and a basic part of any optics experiment kit for schools. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Type | Plane mirror, small size |
| Size | 75 x 25 mm |
| Shape | Rectangular |
| Pattern | Plain |
| Material | Borosilicate glass |
| Colour | Clear |
| Product code | SCL-390/093 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is a Plane Mirror Used For?
Students stand the plane mirror upright along a line on paper pinned to a drawing board, place object pins in front of it and sight the images to trace incident and reflected rays. Measuring the angles verifies that the angle of incidence equals the angle of reflection, and the traced image shows it lies as far behind the mirror as the object is in front.
The same mirror demonstrates lateral inversion, and two mirrors placed at an angle produce multiple images for a simple counting activity. Support the mirror upright with a small stand or clip, handle it only by the edges, and wipe it with a soft, dry cloth before storing it flat in a padded box.
What to Specify When Ordering
- The number of mirrors, allowing two per group for inclined-mirror activities.
- That the 75 x 25 mm size suits your ray-tracing sheets and holders.
- Any drawing boards, pins or protractors to be quoted alongside.
OEM Manufacturer
Jain Scientific Equipments Private Limited, the company behind the ScienceLab name, produces this plane mirror as the OEM at its own licensed factory in Saha, Ambala, Haryana, India, alongside its other optics apparatus. Schools, dealers and importers ordering mirrors in class quantities deal directly with the manufacturer, so repeat orders and quantity changes are handled without a middleman — just ask us. Visit the company profile for background.
Related Physics Lab Equipment
Items used with the plane mirror in reflection experiments:
- Drawing Board — the base on which paper and pins are fixed for ray tracing.
- Board Pin Packet — object and sighting pins for locating images.
- Protector Plastic Laboratory Use — for measuring the angles of incidence and reflection.
- Glass Slab — the companion item for refraction experiments on the same board.
- Concave Mirror — a curved mirror for the next step in reflection studies.
Browse the Physics Lab category for more optics apparatus.
Frequently Asked Questions
What size is the Plane Mirror?
The Plane Mirror measures 75 x 25 mm and is rectangular in shape. This small strip size stands easily on a drawing board for pin-and-ray experiments and suits individual student use in reflection practicals.
What is the Plane Mirror made of?
The Plane Mirror is made of clear borosilicate glass in a plain pattern. A flat, plain mirror gives an undistorted image, which students need when verifying the laws of reflection and locating image positions with pins.
Which experiments use the Plane Mirror?
The Plane Mirror is used to verify the laws of reflection, to show that the image lies as far behind the mirror as the object is in front, and to study lateral inversion. Two mirrors set at an angle also demonstrate multiple images.
How should the Plane Mirror be handled and stored?
Hold the Plane Mirror by its edges, clean it with a soft, dry cloth and store it flat in a padded box or drawer. Keeping the glass free of scratches and fingerprints gives sharper images during ray-tracing experiments.
Who manufactures the Plane Mirror?
The Plane Mirror is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab) as the OEM at its own factory in Saha, Ambala, Haryana, India. It is supplied factory-direct to schools, colleges, dealers and importers in India and international markets.
Can the Plane Mirror be ordered in class quantities?
Yes, the Plane Mirror can be ordered in class and laboratory quantities for schools, colleges, dealers and tenders. State the number of mirrors and your delivery location, and the manufacturer will send a quotation directly.
Request a Quote
For a Plane Mirror quotation, contact us through the contact page or add it to the enquiry cart. The manufacturer quotes you directly.
Last updated: 24 September 2026
