Question

Energy per unit volume for a capacitor having area A and separation d kept at a potential difference V is given by

(A) \(\frac{1}{2}ɛ_o\frac{V^2}{d^2}\)

(B) \(\frac{1V^2}{2ɛ_od^2}\)

(C) \(\frac{1}{2}CV^2\)

(D) \(\frac{Q^2}{2C}\)

Answer 1

Correct option is (A) \(\frac{1}{2}ɛ_o\frac{V^2}{d^2}\)