engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Electromagnetic Induction and Inductance Self-Induction
In a coil, the current changes form –2 A to +2A in 0.2 s and induces an emf of 0.1 V. The self-inductance of the coil is :
1
5 mH
2
1 mH
3
2.5 mH
4
4 mH