A thin conducting ring of radius R is given a charge +Q. The electric field at the centre O of the ring due to the charge on the part 
of the ring is E. The electric field at the centre due to the charge on the part 
of the ring is
Text Solution
Verified by ExpertsThe correct answer is:
D
Electric field at the center of charged circular ring is zero. Hence, electric field at O due to the part 
is equal in magnitude and opposite in direction that due to the part 
, i.e. E along OK.
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