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  4. In the figure shown, a circuit contains two identical resistors with resistance R = 5Ω and an inductance with L = 2mH. An ideal battery of 15 V is connected in the circuit. What will be the current through the battery long after the switch is closed?

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Q. In the figure shown, a circuit contains two identical resistors with resistance $R = 5\Omega$ and an inductance with $L = 2mH$. An ideal battery of $15 V$ is connected in the circuit. What will be the current through the battery long after the switch is closed?Physics Question Image

JEE MainJEE Main 2019Electromagnetic Induction

Solution:

Ideal inductor will behave like zero resistance long time after switch is closed
$I = \frac{2\varepsilon}{R} = \frac{2\times15}{5} = 6A $

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