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Resistance Coil
Resistance Coil (Product Code: SLE/PHY/287) is a 1 ohm resistance unit used to add a known resistance to a circuit in basic electrical experiments in schools and colleges. Instead of a bare resistor, the coil is built into a block with 4mm sockets, so students connect it quickly with standard leads, keeping no more than 0.7 V across it. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, for Ohm law experiment kits and general circuit work.
Specifications
| Parameter | Detail |
|---|---|
| Resistance | 1 ohm |
| Maximum voltage | 0.7 V |
| Connections | 4mm sockets |
| Format | Resistance unit in block form, used in place of a simple resistor |
| Application | Adding resistance to any circuit in basic electrical experiments |
| Product code | SLE/PHY/287 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is the Resistance Coil Used For?
A 1 ohm coil is a convenient known resistance for introductory circuit work. Students place it in series with a cell and an ammeter to see how current changes, use it with a voltmeter to confirm Ohm’s law, or connect several units in series and parallel to compare combined resistance with the calculated value. Because the block takes 4mm plugs, a circuit can be built, changed and checked in minutes without soldering or loose wire ends.
A low value like 1 ohm is also useful as a current-sensing resistance: the voltage across it in volts equals the current through it in amperes. Keep the voltage across the coil to 0.7 V or less, which by Ohm’s law limits the current to about 0.7 A, and switch off between readings so the coil does not warm up and drift.
What to Specify When Ordering
- Number of 1 ohm Resistance Coil units per bench or per class set.
- Whether you also need 4mm connecting leads, meters or a low-voltage supply.
- Any other resistance values your practicals call for, so we can check what else is available.
Supplier
Jain Scientific Equipments Private Limited, trading as ScienceLab, supplies the Resistance Coil from Ambala, Haryana, to schools, colleges, institutes and dealers. The coil can be quoted as part of a complete electricity bench, together with meters, leads and resistance boxes, which saves buyers from sourcing each part separately. Company background is on our profile page.
Related Physics Lab Equipment
Use the Resistance Coil alongside these circuit items:
- Resistance Box — selectable resistance values when one fixed coil is not enough.
- Decade Resistance Box — wider range of values in single steps for comparison work.
- Rheostat — varies the current smoothly in the same circuit.
- Ammeter Voltmeter — measures current and voltage for Ohm’s law readings.
- Stackable Leads — connect the 4mm sockets to the rest of the circuit.
See all items in our Physics Lab Equipment category.
Frequently Asked Questions
What is the resistance value of the Resistance Coil?
The Resistance Coil has a value of 1 ohm. It is built into a block with 4mm sockets so it can be added to any basic electrical circuit, and several units can be combined in series or parallel.
What is the maximum voltage for the Resistance Coil?
The Resistance Coil is rated for a maximum of 0.7 V across it. With 1 ohm resistance, that corresponds to a current of about 0.7 A, so use a low-voltage supply or a series resistance to stay within the limit.
How is the Resistance Coil connected?
The Resistance Coil connects through 4mm sockets, so standard 4mm plug leads fit directly. This avoids soldering and loose wires, and lets students rebuild the circuit quickly between readings.
Who supplies the Resistance Coil?
The Resistance Coil is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab) of Ambala, Haryana, India. We supply schools, colleges, institutions and dealers across India and international markets, and can bundle the coil with meters and leads.
Is a calibration certificate available for the Resistance Coil?
Requirements for a calibration or test document with the Resistance Coil should be discussed with us before you order. Please describe what your institution needs through the contact page and we will reply with what can be provided.
Can the Resistance Coil be ordered in bulk for class sets?
Yes, the Resistance Coil can be quoted in class-set quantities for schools, colleges and dealers. Send the number of units and your delivery location, and we will include packing and freight in the quotation.
Request a Quote
Ask for a price on the Resistance Coil through the contact page, or place it in the enquiry cart with any other circuit items and send one enquiry for everything.
Last updated: 24 September 2026
