Pure inductance of `3.0 H` is connected as shown below. The equivalent inductance of the circuit is

Options

A. `1H`
B. `2H`
C. `3H`
D. `9H`

Answer

A

Explanation

`(1)/(L_(eq))=(1)/(L_(1))+(1)/(L_(2))+(1)/(L_(3))=(1)/(L_(3))+(1)/(L_(3))+(1)/(L_(3)) implies L_(eq)=1H`