Zero, because current and voltage differ in phase by π/2 .
Class 12 Physics Chapter 7 Alternating current Session 2024-2025.
How much average power, over a complete cycle, does an a.c.source supply to a capacitor?
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The average power supplied by an AC source to a capacitor over a complete cycle is zero. This is because the current and voltage in a capacitor differ in phase by
π/2, resulting in no net energy transfer.
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