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{ 10. A sphere of radius }R is having charge }Q uniformly distributed over it. The energy density of the electric }}{ field in the air, at a distance }(r>R) is given by (in }J/m^3) :

Answer» { 10. A sphere of radius }R is having charge }Q uniformly distributed over it. The energy density of the electric }}{ field in the air, at a distance }(r>R) is given by (in }J/m^3) :


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