A bar magnet is held at a right angle to a uniform magnetic

Last updated: 7/2/2023

A bar magnet is held at a right angle to a uniform magnetic field The couple acting on the magnet is to be halved by rotating it from this position The angle of rotation is 1 60 2 45 3 30 4 75 A battery of internal resistance 40 is connected to the network of resistance as shown in the figure To