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PhysicsEMI/ACSelf and mutual inductorEasy2 minPYQ_2010

PhysicsEasysingle choice

In the circuit shown below, the key $K$ is closed at $t = 0$ . The current through the battery is

Question diagram: In the circuit shown below, the key K is closed at t = 0 . T

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Answer:

Solution:

At $t = 0$ , inductor behaves like an infinite resistance So at $t = 0, i = \frac{V}{R _{2}}$ and at $t = \infty$ , inductor behaves like a conducting wire $i = \frac{V}{R _{eq}} = \frac{V ( R _{1} + R _{2} )}{R _{1} R _{2}}$

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:Self and mutual inductor

⏱ 2mℹ️ Source: PYQ_2010

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