Magnetism and Matter - Online Test

Q1. A closely wound solenoid of 2000 turns and area of cross-section  , carrying a current of 4.0 A, is suspended through its centre allowing it to turn in a horizontal plane. If a uniform horizontal magnetic field of  T is set up at an angle of  with the axis of the solenoid,force and torque on the solenoid are
Answer : Option A
Explaination / Solution:
No Explaination.