A) zero
B) \[kq/a\sqrt{2}\]
C) \[kq/{{a}^{2}}\]
D) None of these
Correct Answer: A
Solution :
Electric potential at centre \[\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{Q}{\sqrt{2}a}+\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{Q}{\sqrt{2}a}-\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{Q}{\sqrt{2}a}-\frac{1}{4\pi {{\varepsilon }_{0}}}-\frac{Q}{\sqrt{2}a}=0\]You need to login to perform this action.
You will be redirected in
3 sec