1.

A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is ‘d and area of each plate is ‘A’, the energy stored in the capacitor is

Answer»

`1/2 epsi_0 E^2 Ad`
`(E^2 Ad)/epsi_0`
`1/2 epsi_0 E^2`
`epsi_0 E.Ad`

Solution :ENERGY density between the plates of capacitor ` U = 1/2 epsi_0 E^2`
VOLUME of capacitor `V = Ad`
`:.` TOTAL energy strored in the capacitor `u = u.V= 1/2 epsi_0 E^2 Ad`


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