Question

The stored energy of a capacitor charged to 100 v is 1j capacitance of the capaccitor is

Answer 1

The energy stored on a capacitor can be calculated from the equivalent expressions: This energy is stored in the electric field. and will have stored energy E = x10^ J. From the definition of voltage as the energy per unit charge, one might expect that the energy stored on this ideal capacitor would be just QV.