A) \[W=\frac{Qq}{8\pi {{\varepsilon }_{0}}}\left( \frac{1}{{{r}_{2}}}-\frac{1}{{{r}_{1}}} \right)\]
B) \[W=\frac{Qq}{8\pi {{\varepsilon }_{0}}}\left( \frac{1}{{{r}_{1}}}-\frac{1}{{{r}_{2}}} \right)\]
C) \[W=\frac{Qq}{4\pi {{\varepsilon }_{0}}}\left( \frac{1}{{{r}_{2}}}-\frac{1}{{{r}_{1}}} \right)\]
D) \[W=\frac{Qq}{4\pi {{\varepsilon }_{0}}}\left( \frac{1}{{{r}_{1}}}-\frac{1}{{{r}_{2}}} \right)\]
Correct Answer: D
Solution :
Force at P due to q when the radius of circle isYou need to login to perform this action.
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