Question
Question: If a positively charged pendulum is oscillating in a uniform electric field as shown in diagram. Its...
If a positively charged pendulum is oscillating in a uniform electric field as shown in diagram. Its frequency compared to that when it was uncharged-

A
Will increase
B
Will decrease
C
Will not change
D
Will first increase and then decrease
Answer
Will increase
Explanation
Solution
T = 2p
= 2p
Hence time period decreases and frequency increases.
