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You charge a parallel plate capacitor with a battery, then disconnect the battery. What happens to...

You charge a parallel plate capacitor with a battery, then disconnect the battery. What happens to the charge on the plates? You then connect a wire between the plates; what happens to the charge on the plates?

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Answer #1

When you connect battery from the capacitor then charge on the plates

Q , -Q

then you connect a wire between the plates

so charge on the plates

=Q-Q=0

means capacitor will discharge. (No charge on the plates).

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