A) \[\frac{Qd\ell }{8{{\pi }^{2}}{{\in }_{0}}{{R}^{3}}}\]
B) \[\frac{Q}{4\pi {{\in }_{0}}{{R}^{2}}}\]
C) zero
D) can't be determined
Correct Answer: A
Solution :
Here to solve this quations we can use principle of superposition. The given structure can be considered as combination of two as shown in figure.You need to login to perform this action.
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