# Electromagnetic Induction · Physics · BITSAT

Start Practice## MCQ (Single Correct Answer)

BITSAT 2021

Two coils A and B have a mutual inductance 0.001 H. The current changes in the first coil according to the equation $$i = {i_0}\sin \omega t$$, where ...

BITSAT 2020

Given that in a fluorescent lamp's choke, a reverse voltage of 120 V is generated as the choke's current changes steadily from 0.50 A to 0.20 A in a t...