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  4. Three identical resistors with resistance R =12 Ω and two identical inductors with self inductance L =5 mH are connected to an ideal battery with emf of 12 V as shown in figure. The current through the battery long after the switch has been closed will be A.

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Q. Three identical resistors with resistance $R =12\, \Omega$ and two identical inductors with self inductance $L$ $=5\, mH$ are connected to an ideal battery with emf of $12\, V$ as shown in figure. The current through the battery long after the switch has been closed will be ______A.Physics Question Image

JEE MainJEE Main 2023Electromagnetic Induction

Solution:

After long time an inductor behaves as a resistance-less path.
So current through cell
$I =\frac{12}{ R / 3}=3 A \{\because R =12\, \Omega\}$