The equivalent inductance of the given circuit in the figure is :
2 H
6 H
8/3 H
4 H
As learnt in
Self Inductance -
An emf is induced in the coil or the circuit which oppose the change that causes it. Which is also known back emf.
- wherein
2 H and 4 H are in parallel.
Their equivalent is
and are in series,
Option 1)
2 H
This option is correct
Option 2)
6 H
This option is incorrect
Option 3)
8/3 H
This option is incorrect
Option 4)
4 H
This option is incorrect