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What happens to the current flow in a fully charged capacitor?

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What happens to the current flow in a fully charged capacitor?

(a) Current flow stops

(b) Current flow doubles

(c) Current flow becomes half its original value

(d) Current flow becomes one-fourth its original value

The question was asked in semester exam.

I would like to ask this question from Charge and Voltage in section Capacitance and Capacitors of Basic Electrical Engineering

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The correct choice is (a) Current flow stops

The best explanation: When a capacitor is fully charged, it does not store any more charge. There is no change in charge with time. Current is the rate of change of charge, hence it becomes zero, or stops.

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