Rehostate is a____terminal device and used to change(A) 3, Voltage(C) – InterviewSolution

1.	Rehostate is a____terminal device and used to change(A) 3, Voltage(C) 4, Current(B) 2, Current(D) 4, Voltage
Answer» 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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