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A small signal voltage V(t) =V0sinomegat...

A small signal voltage V(t) =`V_0sinomegat` is applied across an ideal capacitor C.

A

over a full cycle, the capacitor C does not consume any energy from the voltage source

B

current I(t) is in phase with voltageV(t)

C

current I(t) leads voltage V(t) by `180^@`

D

current I(t) lags voltage V(t) by`90^@`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A voltage V_0sinomegat is applied across a series combination of resistance R and inductor L. The peak value of the current in the circuit is

    A
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    B
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    `V_0/(sqrt(R^2+omega^2L^2))sinomegat`
    D
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    D
    power delivered to the capacitor is zero
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