Question
An inductor (L = 100 mH), a resistor (R = 100 Ω) and a battery (E = 100 V) are initially connected in series as shown in the figure. After a long time the battery is disconnected after short-circuiting the points A and B. The current in the circuit 1 mm after the circuit is
-
1 A
-
1/e A
-
e A
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0.1 A
Solution
B.
1/e A
