Question: When two parallel plates separated by a distance (d) are connected to a battery that maintains a potential difference of magnitude (V) between the plates,

When two parallel plates separated by a distance \(d\) are connected to a battery that maintains a potential difference of magnitude \(V\) between the plates, a charge of magnitude \(q\) accumulates on each plate. If the plate separation is increased to \(2 d\) and the battery is replaced with one that has potential difference \(2 \mathrm{~V}\) between the terminals, what is the new charge on each plate?

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