A parallel plate capacitor with plate separation d is connected to a battery. Th

Question

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Give all correct answers concerning a parallel-plate capacitor charged by a battery (e.g. B, AC, CDF). If none of the statements is correct, enter the word none.

A) After being disconnected from the battery, inserting a dielectric with kappa > 1 will increase C.
B) After being disconnected from the battery, decreasing d increases C.
C) With the capacitor connected to the battery, increasing d decreases Q.
D) With the capacitor connected to the battery, inserting a dielectric with kappa > 1 will increase U.
E) After being disconnected from the battery, increasing d increases U.
F) After being disconnected from the battery, inserting a dielectric with kappa > 1 will decrease V.

Explanation / Answer

ABCDF

only statement E is wrong.

all others are correct.

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