Alternating Current · NEET Preparation Physics

In a purely inductive circuit connected to an alternating voltage source V = V0 sin(omega t), the current lags behind the voltage by a phase angle of:

Practice question from Alternating Current (NEET Preparation Physics), with the correct answer and a step-by-step solution.

easy · MCQ · Q-86DDCC

In a purely inductive circuit connected to an alternating voltage source V=V0sin⁡(ωt)V = V_0 \sin(\omega t), the current lags behind the voltage by a phase angle of:

  1. A.0
  2. B.\frac{\pi}{4}
  3. C.\frac{\pi}{2}Correct answer
  4. D.\pi

Solution

In a purely inductive circuit, the induced back EMF opposes the growth and decay of current, causing the current to lag behind the applied alternating voltage by a phase angle of π2\frac{\pi}{2} radians (90∘90^\circ).

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