JEE Main & Advanced
JEE Main Paper Phase-I (Held on 09-1-2020 Morning)
question_answer
In a fluorescent lamp choke (a small transformer) 100 V of reverse voltage is produced when the choke current changes uniformly from 0.25 A to 0 in a duration of 0.025 ms. The self-inductance of the choke (in mH) is estimated to be _______ [JEE MAIN Held on 09-01-2020 Morning]