A small sphere carrying a charge ‘q’ is hanging in between two parallel plates by a string of length L. Time period of pendulum is 
. When parallel plates are charged, the time period changes to T. The ratio 
is equal to
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
C
Net downward force 
Effect acceleration 
Hence time period T 
2 
Required ratio 
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