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A small sphere carries a charge of 20muC...

A small sphere carries a charge of `20muC. `The energy density of electric field at a point 25 cm away from the centre of the sphere in air is

A

`0.367 J//m^3`

B

`3.67 J//m^3`

C

`36.7 J//m^3`

D

`3.76 J//m^3`

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