As shown in the figure, a battery of emf Î is connected to an inductor L and resistance R in series. The switch is closed at t = 0. The total charge that flows from the battery, between t = 0 and t = t c (t c is the time constant of the circuit) is:

Question:

As shown in the figure, a battery of emf $\in$ is connected to an inductor $L$ and resistance $R$ in series. The switch is closed at $t=0$. The total charge that flows from the battery, between $t$ $=0$ and $t=t_{c}\left(t_{c}\right.$ is the time constant of the circuit) is:

  1. $\frac{\in R}{e L^{2}}$

  2. $\frac{\in L}{R^{2}}\left(1-\frac{1}{e}\right)$

  3.  $\frac{\in L}{R^{2}}$

  4. $\frac{\in R}{e L^{2}}$


Correct Option: 1

JEE Main Previous Year 1 Question of JEE Main from Physics Alternating Current chapter.
JEE Main Previous Year 8 Jan. 2020 II

Solution:

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