Wed August 29, 2012 By: Aaditya

Positive charge Q is distributed uniformly over a circular ring of radius R.A particle having a mass m and a charge -q is placed on its axis at a distance x from the centre.Find the force on the particle .Assuming R>>x,find the time period of oscillation if the particle is released from there.

Expert Reply
Tue September 04, 2012
The force on the charge will be:
F = kOq/R2
the acceleration acting on the charge will be:
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