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Q.

In a circuit shown in the figure, the capacitor C is initially uncharged and the key K is open. In this condition, a current of 1 A flows through the 1Ω resistor. The key is closed at time  t=t0. Which of the following statement(s) is (are) correct?
[Given: e1=0.36]
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a

The value of the resistance R is 43Ω

b

For t<t0, the value of current I1 is 3A

c

At  t=t0+3.48μs,  the current in the capacitor is approximately 1A

d

For  t, the charge on the capacitor is  12μC.

answer is A, C, D.

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