Year: 2016
Topic: Electromagnetic induction
Time :
1.
A long solenoid has 1000 turns. When a current of 4 A flows through it, the magnetic flux linked with each turn of the solenoid is 4 × 10
−3
Wb. The self-inductance of the solenoid is
(1). 2 H
(2). 1 H
(3). 4 H
(4). 3 H