Question

How much the phase difference between current and voltage in an a.c. circuit containing resistance only is​

Answer 1

Phase difference will be $0^{\circ}$ in circuit containing only resistance

Explanation:

In ac circuit when there is only resistance in the circuit then the circuit is called resistive circuit

In resistive circuit current and voltage are in same phase

So phase difference between current and voltage when there is only resistance in the circuit will be $0^{\circ}$

If circuit is inductive then phase difference will be $90^{\circ}$ and voltage is leading and if circuit is capacitive then also phase difference is $90^{\circ}$ and current is leading

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