Q13. In a coil, the current changes from - 2 A to + 2 A in 0.2 s and induces an emf of 0.1 V . The self inductance of the coil is : (1) 4 mH (2) 1 mH (3) 5 mH (4) 2.5 mH
Q13. In a coil, the current changes from - 2 A to + 2 A in 0.2 s and induces an emf of 0.1 V . The self inductance of the coil is :\\
(1) 4 mH\\
(2) 1 mH\\
(3) 5 mH\\
(4) 2.5 mH