Pick out the expression for energy stored in a capacitor from the foll – McqOptions

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1.	Pick out the expression for energy stored in a capacitor from the following.
A.	U = 2CV<sup>2</sup>
B.	U = ( frac {1}{2} ) (Q<sup>2</sup>C)
C.	U = ( frac {1}{2} ) (QV)
D.	U = ( frac {1}{2} ( frac {C}{V^2}) )
Answer» D. U = ( frac {1}{2} ( frac {C}{V^2}) )

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