What is the amount of energy stored per unit volume in a capacitor called ?

Write the equation for energy stored per unit volume in the capacitor ?

The energy stored per unit volume of a strained wire is

strain energy per unit volume is

The elastic energy stored per units volume in a streched wire is

Obtain the expression for the energy stored per unit volume in a charged capacitor.

Obtain the expression for the energy stored per unit volume in a charged parallel plate capacitor.

(a) Obtain the expression for the energy stored per unit volume in a charged parallel palte capacitor. (b) The electric field inside a parallel plate capacitor is E. Find the amount of work done in moving a charge q over a closed rectangular loop abcda as shown in figure.

A uniform rod is kept at smooth horizontal surface, a constant force is applied on the rod in horizontal direction at end 'A'. Find the ratio of energy stored per unit volume at end A to the energy stored per unit volume in the middle of rod.