Rheostat Manufacturer,Supplier and Exporter in India
Product Code : EL-PLE-10269
Quick Answer: The Rheostat is a sliding resistance for physics practicals: heavily oxidised eureka wire wound on an insulating porcelain tube, with a bronze-brush slider and three brass terminals, so the same unit works as a rheostat or a potentiometer.
Last updated: October 2026
Key Features
Heavily oxidised eureka wire wound on a special insulating porcelain tube to the required length.
Slider with a phosphor bronze brush and a double contact system that moves smoothly along the sliding rod.
Brass guide rod carrying the contact block, tightened with a brass screw.
Three lock-type brass socket terminals with insulation: one to the sliding contact, two to the ends of the winding.
Tube mounted on heavy, powder-coated aluminium feet with rod and brass nuts.
Total resistance and maximum current capacity marked on the slider.
Technical Specifications
| Specification | Value |
|---|---|
| Winding | Eureka wire, heavily oxidised |
| Former | Insulating porcelain tube |
| Sliding contact | Phosphor bronze brush, double contact |
| Terminals | 3 lock-type brass sockets, insulated |
| Base | Aluminium feet, powder coated |
| Rating marked | Total resistance and maximum current, on the slider |
About This Product
Rheostats are made in a range of resistance values and current-carrying capacities, so a lab can match one to each circuit. Wired through one winding terminal and the slider terminal, the unit varies the current in a series circuit; wired across all three terminals, it divides a voltage as a potentiometer. The Rheostat can be dispatched from India to Chad, Papua New Guinea, Bahamas, Eswatini, São Tomé and Príncipe and Mauritania.
Frequently Asked Questions
Can this rheostat also be used as a potentiometer?
Yes. One terminal is connected to the sliding contact and the other two to the ends of the winding, so the unit works as a rheostat with two terminals or as a potentiometer with all three.
Where are the resistance and current rating shown?
The total resistance and the maximum current capacity are marked on the slider. Rheostats are offered in different resistance values and current capacities.
What is the resistance wire wound on?
The heavily oxidised eureka wire is wound on a special insulating porcelain tube, which is mounted on powder-coated aluminium feet.
Related: Physics Lab Equipments, Bell Experiment Apparatus.
For a quotation on the Rheostat, contact Educational Lab Equipments.
