JEE Main 24 Feb 2021 Shift 2 Solved Paper

Given, resistance, R=2Ω,
Inductance, L=2mH,
emf, E=9V
and i be the current.
∵ At t=0 when switch is closed, inductors behave as open circuit.
∴ Effective circuit will be By using Ohm's law, V=iR‌eq ‌
⇒ i=V∕R‌eq ‌
where, R‌eq ‌ is equivalent resistance of series resistors,
i.e., Req‌‌=R+R=2R=2×2=4Ω
i‌‌=‌

9

4

=2.25A