Is it true the rheostat is a variable resistor used to control the electric current?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
By manually adjusting the resistance, the rheostat is a variable resistor used to regulate the flow of electricity. It is a sort of large-sized resistor used in applications that call for changing the resistance or the current. In a circuit, a rheostat is connected in series. A variable resistor that controls current flow is known as a rheostat. They are able to alter the resistance of the circuit without damaging it. A potentiometer and a rheostat have very similar constructions. Therefore, a rheostat is used in the circuit to change the resistance of the circuit.

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