defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Physics Electromagnetic Induction and Inductance Self-Induction
Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100 V. The self inductance of the coil is
1
4 H
2
2.5 H
3
0.4 H
4
0.25 H