Question

A capacitor charge Q doubles as a result of filling the space between its plates with...

A capacitor charge Q doubles as a result of filling the space between its plates with a dielectric. Choose the correct statement:

A.

The capacitor energy decreased
B.

None of the above
C.

The dielectric permittivity of the dielectric is 4
D.

The capacitor was disconnected from the battery in the process of filling
E.

The capacitor energy increases by the factor of 2
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