A simple pendulum with a negatively charged bob is made to oscillate just above a positively charged plate. What happens to its time period?

A simple pendulum with a negatively charged bob is made to oscillate j

1.	A simple pendulum with a negatively charged bob is made to oscillate just above a positively charged plate. What happens to its time period?
Answer» Solution :DUE to electrostatic ATTRACTION between the BOB and the plate, the bob feels greater! force in the vertically down ward DIRECTION. This virtually increases g, and hence TIME period decreases.