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Figure shows equipotential surfaces conc...

Figure shows equipotential surfaces concentric at O the magnitude of electric field at a distance r measured from O is

A

`(9)/(r^(2))(Vm^(-1))`

B

`(6)/(r^(2))(Vm^(-1))`

C

`(2)/(r^(2))(Vm^(-2))`

D

`(16)/(r^(2))(Vm^(-2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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