Question: If the charge on a parallel - plate capacitor is decreased from 1 2 C to 4 uC and the plate spacing is increased from

If the charge on a parallel-plate capacitor is decreased from 12 C to 4 uC and the plate spacing is increased from 1 mm to 3 mm, the energy stored in the capacitor changes by a factor of:
Select one:
0 a.8.
0 D.3.
0.27.
0d.13.
0 e.1/4.

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