Consider an AC circuit with only a capacitor of capacitance C, driven by an AC voltage V(t)
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Consider an AC circuit with only a capacitor of capacitance C, driven by an AC voltage V(t) = V0 cosωt. Compute the average 〈|P|〉 of the absolute value of the rate of energy transfer back and forth from the power source to the capacitor. Compare to the apparent (= reactive) power for this system.
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The charge on the capacitor is Qt CV CV 0 cost The capacitor ...View the full answer
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