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Dipole Moment

Find the net ...

Question

Find the net force on a dipole of moment p placed on the arms of a ring of charge Q and radius R Assume x <<R.

A

Zero

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B

\frac{2 k Q p}{R^{3}}

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C

\frac{k Q p}{R^{3}}

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D

\frac{\sqrt{2} k Q p}{R^{3}}

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Solution

The correct option is C $\frac{k Q p}{R^{3}}$

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