defence exam Army Havildar SAC Mock Test Series 2025 Physics Electromagnetic Induction and Inductance Self-Induction
When current is coil changes from 5 A to 2 A in 0.1 s, an average of 50 V is produced. The self-inductance of the coil is.
1
6 H
2
0.67 H
3
1.67 H
4
3 H