Charges are placed at the corners of a s...

Charges are placed at the corners of a square of side a as shown in the following figure. The charged particle placed at A is in equilibrium. The ratio `(q_1)/(q_2)` is

A

1

B

`2sqrt(2)`

C

`1/(sqrt2)`

D

`3/(sqrt2)`

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The correct Answer is:

B

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