In the figure shown, a circuit contains two identical resistors with resistance R = 5 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?

Engineering

Physics

Self and Mutual Inductance

Question

In the figure shown, a circuit contains two identical resistors with resistance R = 5 $Ω$ 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?

7.5 A

5.5 A

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After long time, inductor will behave like resistance less wire,

$i = \frac{15}{R_{eq}} = \frac{15}{(5 - 12)}$

= 6 A