Electrical Engineering Rheostat
Product Code : SCL-EE-12720
Quick Answer: The Electrical Engineering Rheostat is a variable resistor for low-voltage training circuits. Students use it to vary resistance, control current and study the voltage-current relationship in school, college and engineering lab practicals.
Last updated: October 2026
Key Features
- Varies resistance during supervised electricity and circuit practicals
- Shows how circuit current responds as resistance is changed
- Input and output terminals for laboratory leads
- Product label gives the range and rating details
- Suits wiring practice, meter reading and observing circuit response
About This Product
Typical use is an Ohm's law or voltage-drop practical. The rheostat goes into the circuit while the supply is off, starting from the safe setting the teacher recommends. Students then switch on the low-voltage supply, move the slider gradually and record ammeter and voltmeter readings at each resistance setting, switching off again before any rewiring.
Frequently Asked Questions
Q1. What should students look at before using the rheostat?
The product label, resistance range, current rating and terminals, along with the experiment instructions. Readings are then taken without exceeding the rating on the label.
Related: Electricity & Electromagnetism, Electrical Training Dual Tube Rheostat, Physics Laboratory Resistance Box 100?.
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