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  4. Calculate the ratio of current flowing through the battery at t=0 and t=∈ fty . ( t=0 is the time of closing of the switch) <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-lqkkxnqqpwjt.png />

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Q. Calculate the ratio of current flowing through the battery at $t=0$ and $t=\in fty$ . ( $t=0$ is the time of closing of the switch)

Question

NTA AbhyasNTA Abhyas 2020Current Electricity

Solution:

At $t=0$ capacitor is short circuit and inductor is open circuit.
Solution
$i_{1}=\frac{20}{5 + 5}=2A$
At $t=\in fty$ capacitor is open circuit and inductor is a short circuit.
Solution
$i_{2}=\frac{20}{5 + 5}=2 \, A$
$\therefore \, \, \frac{i_{1}}{i_{2}}=\frac{2}{2}=1$