A) zero
B) \[\frac{q\left( {{Q}_{1}}-{{Q}_{2}} \right)\left( \sqrt{2}-1 \right)}{\sqrt{2}.4\pi {{\varepsilon }_{0}}R}\]
C) \[\frac{q\sqrt{2}\left( {{Q}_{1}}+{{Q}_{2}} \right)}{4\pi {{\varepsilon }_{0}}R}\]
D) \[\frac{q\left( {{Q}_{1}}+{{Q}_{2}} \right)\left( \sqrt{2}+1 \right)}{\sqrt{2}.4\pi {{\varepsilon }_{0}}R}\]
Correct Answer: B
Solution :
[b] Work done \[{{W}_{21}}=\left( {{V}_{1}}-{{V}_{2}} \right)q\]You need to login to perform this action.
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