Physics, asked by purushothj892, 9 days ago

write a short note on rehostat

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Answered by kajaljha08

2

A rheostat is a variable resistor which is used to control current. They are able to vary the resistance in a circuit without interruption. The construction is very similar to the construction of a potentiometers. It uses only two connections, even when 3 terminals (as in a potentiometer) are present.

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