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Three small spheres each carrying a posi...

Three small spheres each carrying a positive charge Q are placed on the circumference of a circle of radius to form an equilateral triangle. The electric field intenstiy at the centre of the circle will be.

A

`(3Q)/(r^(2))`

B

`(3Q)/(r )`

C

`(1)/(v^(2)) (Q)/(r^(2))`

D

zero

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The correct Answer is:
D
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