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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(16)(GM)/L`

Text Solution

Verified by Experts

The correct Answer is:
A
`U=-4(GM)/(L//sqrt(2))=-sqrt(32)(GM)/L`
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