An alternating voltage V=V_0 \sin \omegat is applied across a circuit and as a result, a current I=I_0sin(\omegat+\pi/2) flows in it. The power consumed per cycle is

KEAM 2018 Physics and Chemistry Paper

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An alternating voltage V=V0 sin ωt is applied across a circuit and as a result, a current I=I0sin(ωt+

) flows in it. The power consumed per cycle is

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