engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Electromagnetic Induction and Inductance Inductors and Inductance
Two coils of self-inductance L1 and L2 are connected in a series combination having mutual inductance of the coils as M. The equivalent self-inductance of the combination will be:
1
\(\rm \frac{1}{L_1}+\frac{1}{L_2}+\frac{1}{M}\)
2
L1 + L2 + M
3
L1 + L2 + 2M
4
L1 + L2 – 2M