First slide

Inductance

Question

5 cm long solenoid having 10 ohm resistance and 5 mH inductance is joined to a 10 volt battery. At steady state the current through the solenoid in ampere will be

Moderate

A

5
B

1
C

2
D

Zero

Solution

In steady state current passing through solenoid (At steady state inductor behave like short circuit.)
$i = \frac{E}{R} = \frac{10}{10} = 1 A$

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