Charge Q is distributed non-uniformly over a ring of radius R, P is a point on axis of ring at a dis

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1. Electric Charges and Fields

hard

Charge $Q$ is distributed non-uniformly over a ring of radius $R, P$ is a point on the axis of ring at a distance $3R$ from its centre. Which of the following is a wrong statement.

A

Potential at $P $ is $\frac{{KQ}}{{2R}}$

B

Magnitude of electric field at $P$ may be greater than $\frac{{\sqrt 3 KQ}}{{8{R^2}}}$

C

Magnitude of electric field at $P$ must be equal to $\frac{{\sqrt 3 KQ}}{{8{R^2}}}$

D

Magnitude of electric field at $P$ cannot be less than $\frac{{\sqrt 3 KQ}}{{8{R^2}}}$

Solution

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Standard 12

Physics

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