In Tan A position a short bar magnet placed at a distance of 30 cm from the mid-point of the needle produces a deflection of 45�. When another magnet is placed at the same distance it produces a deflection of 30�. Then the ratio of their magnetic moments is
1.1.1
2.1.72
3.5.1732
4.1.732
Posted Date:-2021-10-19 09:53:20