Falling Behind in Studies? Join Our Performance Improvement Batch. Enroll For Free
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
A small ball is suspended over an infinite horizontal conducting plane by means of an insulating elastic thread of stiffness k. As soon as the ball was charged, it descended by x cm and its separation from the plane become equal to l. Find the charge on the ball. Please send the solution if you got correct answer
When the ball is charged, for the equilibrium of ball, electric force on it must counter balance the excess spring force, extered, on the ball due to the extension in the spring. Thus or, , (The force on the charge might be considered as arised from attraction by the eletrical image). or, , sought charge on the sphere,
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -