In an A.C. circuit the current

Physics Alternating Current AC Circuits Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

Always leads the voltage

Always lags behind the voltage

Is always in phase with the voltage

May lead or lag behind or be in phase with the voltage

Text Solution

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The correct answer is:

In an A.C. circuit, the behavior of current relative to voltage depends on the type of components present in the circuit.

In a purely resistive circuit, the current is in phase with the voltage.
In a purely inductive circuit, the current lags behind the voltage by 90 degrees.
In a purely capacitive circuit, the current leads the voltage by 90 degrees.

Therefore, the current in an A.C. circuit may lead, lag, or be in phase with the voltage depending on the combination of resistors, inductors, and capacitors present. Hence, the correct answer is D.

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