engineering recuitment NPCIL Scientific Assistant Physics Mock Test Physics Electromagnetic Induction and Inductance Self-Induction
Two coils of self-inductance L1 and L2 are placed closer to each other so that total flux in one coil is completely linked with others. If M is mutual inductance between them, then
1
M = L1L2
2
M L1/L2
3
\(M = \sqrt {{L_1}{L_2}} \)
4
M = (L1L2)2