A positively charged pendulum is oscillating in a uniform electric field pointing vertical upwards. Its time period as compared to that when it oscillates without electric field.
Text Solution
Verified by ExpertsThe correct answer is:
B
As we know,
Time period of the pendulum, 
Since the pendulum is positively charged and the electric field is in the upward direction.
So, now in electric field
Time period of pendulum
Therefore, we can say that time period of pendulum is increase in presence of electric field.
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