Question

which component is used to change the resistance in circuit​

Answer 1

$\huge {\tt {\red {Answer}}}$

A rheostat is a variable resistor which is used to control current. they are able to vary the resistance in circuit without interruption. the construction of a rheostat is very similar to potentiometer . Thus A rheostat is used in circuit to change the resistance of the circuit.

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Answer 2

Explanation:

Rheostat is the answer of this question.