Questions

In the circuit shown in figure, magnitude of instantaneous power consumed by the capacitor is

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V02ωc2sin2ωt

V02ωt2

V02ωC cos2ωt

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detailed solution

Correct option is B

If Q be the instantaneous charge, then QC=v∴Q=Cv=CV0cosωt⇒i=dQdt=−CV0ωsinωt∴ Magnitude of instantaneous powerp=vi=V0cosωt×CV0ωsinωt=V02ωC2sin2ωt

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