Question

Name a household device in which a variable
the resistor is used.

Answer 1

Answer:

As the resistive material is required, a carbon film type of variable resistors is generally used. They find applications in the radio receiver circuits, audio amplifier circuits, and TV receivers.

Explanation:

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Answer 2

Another use is as a potentiometer. In this case, the two ends of the resistance track are connected with a voltage source. This is another widely used application of variable resistors. Potentiometers are used to control voltages, whereas rheostats are used to control electric