A charged capacitor stores energy U.Without connecting this capacitor to anything,dielectric having dielectric constant K is now inserted between the plates of the capacitor,completely filling the space between them.How much energy does the capacitor now store?
A)2KU
B)KU
C)U

Question

A charged capacitor stores energy U.Without connecting this capacitor to anything,dielectric having dielectric constant K is now inserted between the plates of the capacitor,completely filling the space between them.How much energy does the capacitor now store?
A)2KU 
B)KU 
C)U

Quizplus · Accepted Answer

The Answer is D

A Charged Capacitor Stores Energy U