Positive charge Q is distributed over a circular Ring of radius a. A point particle of massm & negetive charge -q, is placed on its Axis at a distance y from the centre. Find force on particle.
0
As we have learnt,
E and V at a point P that lies on the axis of ring -
,
-
As
Putting values
Option 1)
Option 2)
Option 3)
0
Option 4)
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