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  4. Switch S of the circuit, shown in figure, is closed at t=0. If e denotes the induced emf in L and i, the current flowing through the circuit at time t, which of the following graphs is correct?

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Q. Switch $S$ of the circuit, shown in figure, is closed at $t=0$. If $e$ denotes the induced emf in $L$ and $i$, the current flowing through the circuit at time $t$, which of the following graphs is correct?Physics Question Image

Electromagnetic Induction

Solution:

At the time $t=0, e$ is max and is equal to $E$, but current $i$ is zero.
As the time passes, current through the circuit increases but induced emf decreases.