Question: A parallel plate capacitor has a capacitance of 1.20 nF. There is a charge of 0.80C on each plate. How much work must be done

A parallel plate capacitor has a capacitance of 1.20 nF. There is a charge of 0.80μC on each plate. How much work must be done by an external agent to double the plate separation while keeping the charge constant?

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