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.
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 $\frac{{\sqrt 3 KQ}}{{8{R^2}}}$
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