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Two point charges -q and +q are located ...

Two point charges `-q` and `+q` are located at points `(0,0-a)` and `(0,0,a)` respectively. The electric potential at point `(0,0,z)`is `(Z gt a)`

A

`(qa)/(4pi_(0)z^(2))`

B

`(q)/(4pi epsilon_(0)a)`

C

`(2qa)/(4pi epsilon_(0)(z^(2)-a^(2)))`

D

`(2qa)/(4piepsilon_(0)(z^(2)+z^(2)))`

Text Solution

Verified by Experts

The correct Answer is:
C
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