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If A.C. voltage is applied to a pure cap...

If A.C. voltage is applied to a pure capacitor, then votage across the capacitor ………….. .

A

leads the current by phase angle `((pi)/(2))` rad.

B

leads the current by phase angle `(pi)` rad.

C

lags behind the current by phase angle `((pi)/(2))`rad.

D

lags behind the current by phase angle `(pi)` rad.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A 5 muF capacitor is fully charged across a 12 V battery, It is then disconnected from the battery and connected to an uncharged capacitor, If the voltage across the capacitor becomes 3 V then the capacitance of the

    A
    `3muF`
    B
    `15muF`
    C
    `25muF`
    D
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  • When an A.C voltage of 220 V is applied to the capacitor C

    A
    The maximum voltage between plates is `220 V`
    B
    the current is in phase with the applied voltage
    C
    the change on the plates is in phase with the applied voltage.
    D
    power delivered to the capacitor is zero.

  • For AC voltage applied to a capacitor, the current is ahead of voltage by

    A
    `pi//2`
    B
    `pi//4`
    C
    `(3pi)/4`
    D
    `pi`

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