defence exam Army Havildar SAC Mock Test Series 2025 Physics Electromagnetic Induction and Inductance Lenz’s Law and Conservation of Energy
A square loop ABCD is placed in a uniform magnetic field such that the direction of the field is perpendicular to the plane of the loop. If the side AB is moved towards its opposite side, then the electric current produced in it due to:
1
Mechanical energy
2
Thermal energy
3
Chemical energy
4
None of these