Q. A 12v battery connected to a coil of resistance 6Ω through a switch, drives a constant current in the circuit. The switch is opened in 1 ms. The emf
induced across the coil is 20 V. The inductance of the coil is :
(1) 5 mH
(2) 12 mH
(3) 8 mH
(4) 10 mH (JEE-2023)
Aditya Bhatt Answered question 27 January 2024
