Question

Thustration L.IS A thin fixed ring of radius 'a' has a positive
charge *q' uniformly distributed over it. A particle of mass
*m', having a negative charge 'Q', is placed on the axis at a
distance of x (x << a) from the centre of the ring. Show that
the motion of the negatively charged particle is approximately
simple harmonic, Calculate the time period of oscillation.
Fig. 1.24​

Answer 1

Answer:

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Explanation:

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