a capacitor 8uf is charged to a potential difference of 100v. the energy stored by the capacitor is?

Answer 1

C = 8uF = 8*10^-6 Farads.

Energy = C*V^2/2 = (8*10^-6)*100^2/2 = __Joules.

Answer 2

U= 1/2 C*V^2
U= 1/2 (8*10^-6F) (100v)^2
U=0.004J