Problem B13:
In the figure above there are two capacitors, each with square plates. In the one on the left,
the plates are separated by a distance d0, and each square plate has a side of
length l0. The capacitance of the left capacitor is C0. For the
capacitor on the right, the plates are separated by a distance of n1d0,
and each square plate has a side of length n2l0. If the capacitance
of the right capacitor is n3C0, what is n3 ?
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