A parallel-plate air capacitor has a capacitance of 830 pf, Ask an Expert

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A parallel-plate air capacitor has a capacitance of 830 pF. The charge on each plate is 1.80 µC.

a) What is the potential difference between the plates?

b) If the charge is kept constant, what will be the potentialdifference between the plates if the separation is quadrupled?

c) How much work is required to quadruple the separation?

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