CUET and UG exam CUET UG 2025 Mock Test Series Physics Electromagnetic Induction and Inductance Lenz’s Law and Conservation of Energy
A square loop of copper wire is pulled through a region of uniform magnetic field as shown. Rank the pulling forces FA, FB, FC and FD that must be applied to keep the loop moving with constant speed \(\rm (\vec v)\):
1
FB = FD, FA = FC
2
FC > FB = FD > FA
3
FC > FD > FB > FA
4
FD > FB > FA = FC