Question
Medium
Solving time: 3 mins
An inductor , a resistor and a battery are initially connected in series as shown in the figure. After a long time, the battery is disconnected after short
circuiting the points and . The current in the circuit 1 millisecond after the short circuit is
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Text solutionVerified
This is a combined example of growth and decay of current in an L-R circuit.
The current through circuit just before shorting the battery,
[as inductor would be shorted in steady state] After this decay of current starts in the circuit, according to the equation,
where,
millisecond
and
The current through circuit just before shorting the battery,
[as inductor would be shorted in steady state] After this decay of current starts in the circuit, according to the equation,
where,
millisecond
and
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Question Text | An inductor , a resistor and a battery are initially connected in series as shown in the figure. After a long time, the battery is disconnected after short circuiting the points and . The current in the circuit 1 millisecond after the short circuit is |
Updated On | Sep 17, 2022 |
Topic | Alternating Current |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 131 |
Avg. Video Duration | 5 min |