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Force on a Conductor Apparatus
Force on a Conductor Apparatus (Product Code: SLE/PHY/98) is a rolling-axle demonstration used to show the force on a current-carrying conductor in a magnetic field, the motor effect behind Fleming's left-hand rule, in physics lessons. A brass axle resting on a pair of brass rails between the poles of a strong U-shaped magnet rolls away from the centre of the field as soon as a power supply is connected. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Magnet | Strong U-shaped magnet |
| Rails | Pair of brass rails with 4 mm socket terminals |
| Conductor | Brass axle with plastic discs, free to roll along the rails |
| Electrical contact | The axle completes the circuit between the two rails |
| Observed effect | Axle is repelled and rolls away from the centre of the magnetic field |
| Power | External power supply unit, connected at the rail terminals |
| Product code | SLE/PHY/98 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Force on a Conductor Apparatus Used For?
Current flows along one rail, through the brass axle and back along the other, so the axle itself becomes the conductor lying across the magnetic field. The resulting force pushes it along the rails, and reversing either the current or the magnet reverses the direction it rolls, letting students check Fleming's left-hand rule for themselves. It is a staple piece of physics practical equipment for showing the principle behind every electric motor.
Connect a low-voltage supply to the 4 mm socket terminals and switch on only briefly, since the path through the axle has very little resistance. Keep the rails and axle clean so the contact stays good, and store the U-shaped magnet carefully to preserve its strength.
What to Specify When Ordering
- Number of sets, for a teacher demonstration or for group practicals.
- Whether a suitable low-voltage, high-current supply should be quoted as well.
- 4 mm leads for connecting the rails to the supply.
- Delivery location for packing and freight.
OEM Manufacturer
ScienceLab is the trading name of Jain Scientific Equipments Private Limited, which manufactures this force-on-a-conductor apparatus as the OEM at its own factory at Saha, Ambala, Haryana. Schools, universities, dealers and importers buy it direct from the maker, and questions about a spare axle or magnet are answered at source. For vendor registration, institutional and tender buyers can use GSTIN 06AAECJ8618A1ZT and LEI 3358004HRD1JIVXKYX49. The company profile gives more information.
Related Physics Lab Equipment
Supplies, magnets and alternatives for motor-effect practicals:
- Apparatus Force of Conductor — a Fleming's law version with a brass axle rolling on rails.
- Electromagnetic Power Supply — a low-voltage, high-current supply intended for Fleming's apparatus.
- Power Supply, Stepped — an AC/DC bench supply for general electricity practicals.
- Steel Horseshoe Magnet — horseshoe magnets with keepers for further magnetic field work.
- Stackable Leads — 4 mm leads for connecting the rails to the supply.
See more electromagnetism apparatus in Physics Lab Equipment.
Frequently Asked Questions
What does the Force on a Conductor Apparatus demonstrate?
The Force on a Conductor Apparatus demonstrates that a current-carrying conductor in a magnetic field experiences a force. When a supply is connected, the brass axle between the magnet's poles is repelled and rolls along the rails away from the centre of the field.
What parts make up the Force on a Conductor Apparatus?
The Force on a Conductor Apparatus comprises a strong U-shaped magnet, a pair of brass rails with 4 mm socket terminals, and a brass axle with plastic discs that rolls freely along the rails and completes the electrical contact between them.
What power supply does the apparatus need?
The Force on a Conductor Apparatus needs an external power supply unit connected to its 4 mm socket terminals, and the listing does not name a specific one. A low-voltage, high-current type such as the Electromagnetic Power Supply is worth discussing with us.
How does the apparatus relate to Fleming's left-hand rule?
The Force on a Conductor Apparatus lets students test Fleming's left-hand rule directly: field, current and motion are at right angles, and reversing either the current or the magnet makes the brass axle roll the opposite way along the rails.
Who manufactures the Force on a Conductor Apparatus?
Jain Scientific Equipments Pvt Ltd (ScienceLab) manufactures the Force on a Conductor Apparatus as the OEM at its own factory in Saha, Ambala, Haryana, India, and supplies it direct to schools, colleges, dealers and importers.
Can the Force on a Conductor Apparatus be ordered for export?
Yes. The Force on a Conductor Apparatus can be quoted for single laboratories or larger orders from institutions and distributors in India and international markets. Include the quantity, any power supplies or leads, and the destination when you contact us.
Request a Quote
For a quotation on the Force on a Conductor Apparatus, write to us through the contact page or add it to the enquiry cart along with any supply you need. Prices come straight from the manufacturer.
Last updated: 24 September 2026
