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Equal charges q are placed at the three ...

Equal charges q are placed at the three corners B, C, D of a square ABCD of side a. The potential at A is

A

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

B

`(3q)/(4pi in_(0)a)`

C

`(q)/(4pi in_(0)a) (2 + (1)/(sqrt2))`

D

`(q)/(4pi in_(0)a) (1 + sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
C

`V = (1)/(4pi in_(0)) (q)/(r )`
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Knowledge Check

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