Question:
A pendulum bob of mass 8 mg carries an electric charge of 39
Last updated: 6/12/2023
A pendulum bob of mass 8 mg carries an electric charge of 39 2 10 10 C in a horizontal electric field of 20 x 103 NC 1 and is at rest The angle made by pendulum with vertical is nearly O 37 45 O 60 O 30