Useful for a variety of laboratory demonstrations, this 20Ω rheostat provides a variable resistance in electrical circuits. Oxidized constantan wire is wound on a vitreous enamelled tube. A sliding contact carriage, mounted on the slide bar, carries a phosphor bronze contact for long life. The rheostat has three binding posts with 4mm sockets for electrical connections: one at each end of the winding and another at the end of the slide bar.
- Resistance 20Ω
- Maximum current 4.2A
- Tube size: 300 x 44mm
- Eisco type PH1151E
Type |
Rheostat |
Resistance |
20Ω |
Current |
4.2A |
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