A magnetic needle with magnetic moment 3.8 X 10-2 JT-1 is placed at 30o with the uniform magnetic field. Suppose a torque of 6.8 X 10-4 J acts on it, then, find the magnetic field.

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

Answered by  | 4th Jun, 2014, 03:23: PM