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Q.An inductor of 1 H1\,\text{H} and a resistor of 10 Ω10\,\Omega are connected to a battery of 20 V20\,\text{V}. The current grows to 63% of maximum value in time

a
0.1 s0.1\,\text{s}
b
0.2 s0.2\,\text{s}
c
0.3 s0.3\,\text{s}
d
1 s1\,\text{s}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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