Solveeit Logo
Login

Question

Question: A coil of self inductance 50 henry is joined to the terminals of a battery of emf 2 volts through a ...

A coil of self inductance 50 henry is joined to the terminals of a battery of emf 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

A

500 seconds

B

50 seconds

C

5 seconds

D

0.5 seconds

Answer

5 seconds

Explanation

Solution

In decaying if t=5010=5sect = \frac { 50 } { 10 } = 5 \mathrm { sec }