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Question: Answered & Verified by Expert
An alternating voltage $V=V_{0}$ sin ot is appliedacross a circuit. As a result, a current $I=I_{0} \sin (\omega t-\pi / 2)$ flows in it. The power consumed per cycle is
PhysicsAlternating CurrentJEE Main
Options:
  • A zero
  • B $0.5 \mathrm{~V}_{0} \mathrm{I}_{0}$
  • C $0.707 \mathrm{~V}_{0} \mathrm{I}_{0}$
  • D $1.414 \mathrm{~V}_{0} \mathrm{I}_{0}$
Solution:
1072 Upvotes Verified Answer
The correct answer is: zero
The phase angle between voltage $\mathrm{V}$ and current I is $\pi / 2$.

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