1.

The electric field at a point due to a point charge is `20 NC^(-1)` and electric potential at that point is `10 JC^(-1)`. Calculate the distance of the point from the charge and the magnitude of the charge.A. 2500 VB. 22500 VC. 2000 VD. 20500 V

Answer» Correct Answer - B
`V=1/(4piin_(0))xxq/r=(9xx10^(9)xx25xx10^(-6))/10`
= 22500 V


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