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4 charges are placed each at a distance ...

4 charges are placed each at a distance .a. from origin. The distance .a. from origin. The dipole moment of configuration is :

A

`2qahat(j)`

B

`3qahat(j)`

C

`2qa(hat(i) + hat(j))`

D

`qahat(j)`

Text Solution

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The correct Answer is:
A
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