Consider a parallel plate capacitor having an electric field E inside it as shown in the adjacent figure. A particle of mass m and charge q is hanging inside the capacitor through a light inextensible string of length. The time period of this pendulum for small oscillations is
A
B
C
D
none of these
Text Solution
Verified by ExpertsThe correct answer is:
D
Apart from tension T, two constant forces qE and mg are acting.
Resultant of these is
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