The correct expression for the potential at a point dista...
The correct expression for the potential at a point distance r from a charge q in an electric field is?
_q2 |
4πεor2 |
_q2 |
4πεor |
_q |
4πεor2 |
q4πΣor
Correct answer is D
Electric potential is work done in taking a unit mass or charge from infinity to that point
V = | w | = | Fr | = | Q1Q2 | x | r |
Q | Q | 4πεor2 | Q1 |
= | _q |
4πεor |
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