MHT CET 2024 Physics question

Average power associated with an ideal inductor and ideal capacitor over a complete cycle of a.c. is respectively

(A)zero, one
(B)one, zero
(C)zero, zeroCorrect
(D)one, one

Answer: (C)

Solution

In an ideal inductor the current lags the voltage by , and in an ideal capacitor it leads the voltage by . Average power over a cycle is with , so in both cases. Energy is

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Question ID VK-094958