A metal ball of radius `R` is placed concentrically inside hollow metal sphere of inner radius `2R` and outer radius `3R`.The ball is given a charge `+2Q` and the hollow sphere a total charge `-Q` .The electrostatic potential energy of this system is A. `(7Q^(2))/(24piepsilon_(0)R)`B. `(5Q^(2))/(16piepsilon_(0)R)`C. `(5q^(2))/(8piepsilon_(0)R)`D. None

A metal ball of radius `R` is placed concentrically inside hollow meta

1.	A metal ball of radius `R` is placed concentrically inside hollow metal sphere of inner radius `2R` and outer radius `3R`.The ball is given a charge `+2Q` and the hollow sphere a total charge `-Q` .The electrostatic potential energy of this system is A. `(7Q^(2))/(24piepsilon_(0)R)`B. `(5Q^(2))/(16piepsilon_(0)R)`C. `(5q^(2))/(8piepsilon_(0)R)`D. None
Answer» Correct Answer - A `U_("system")=U_("self")+U_("int")`

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