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Four particles each of mass m are placed...

Four particles each of mass m are placed at the vertices of a square of side `l`. the potential at the centre of square is

A

`-sqrt(32) (GM)/L`

B

`-sqrt(64) (GM)/L^(2)`

C

zero

D

`sqrt(32) (GM)/L`

Text Solution

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The correct Answer is:
A
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