Quick Answer: The Resistance Coil is a non-inductively wound alloy wire resistor in a Bakelite housing, with brass binding posts. It has a low temperature coefficient of resistance, so its value drifts little as it warms.
Last updated: October 2026
Key Features
Non-inductive alloy wire winding
Bakelite housing
Brass binding posts that take 4mm banana plugs
Low temperature coefficient of resistance for minimal drift
Technical Specifications
Specification
Value
Housing
Bakelite
Winding
Non-inductive alloy wire
Terminals
Brass binding posts, 4mm plug
Temperature coefficient
Low
About This Product
A resistance coil gives a known, steady resistance for circuit work at the bench. It is used in bridge circuits and in Ohm’s law practicals, where students compare measured current and voltage against a fixed resistor.