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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

Verified by Experts

The correct Answer is:
A
`V=(-4GM)/(R//sqrt2)=-sqrt(32)xx(GM)/L`
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