Categories > emi > Self Inductance > A coil of self inductance 50 henry is joined to the terminals of a battery of e.m.f. 2 volts through a resistance of 10 ohm and a steady current is flowing through the circuit. If the battery is now disconnected, the time in which the current will decay to 1/e of its steady value is

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Question: A coil of self inductance 50 henry is joined to the terminals of a battery of e.m.f. 2 volts through a resistance of 10 ohm and a steady current is flowing through the circuit. If the battery is now disconnected, the time in which the current will decay to 1/e of its steady value is


1) 500 seconds
2) 50 seconds
3) 5 seconds
4) 0.5 seconds
Solution: Explanation: No Explanation
Self Inductance Mutual inductance Static EMI

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