engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Physics Magnetism and Maxwell's Equations
Two bar magnets A and B are put parallel to the magnetic field of intensity B. The ratio of the work done required for the magnet A to magnet B is 1 : 2, when both the magnets are rotated by an angle 90° to the magnetic field. Find the ratio of the magnetic moment of magnet A to magnet B.
1
1 : 1
2
1 : 2
3
2 : 1
4
1 : 4