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A coil with self inductance of 2.4H and ...

A coil with self inductance of 2.4H and resistance 12`Omega` is suddenly switched across a 120V direct current supply of negligible internal resistance. Determine (i) the time constant of the coil and (ii) the final steady current

A

0.2 sec, 10A

B

2 sec, 10A

C

3 sec, 20A

D

4 sec, 20A

Text Solution

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The correct Answer is:
A
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