Question

14. The unit of inductive reactance is –
(a) Henry
(b) Farad
(WBSCTE 2013
(d) Joule
(c) Ohm​

Answer 1

Answer:

Inductive reactance is expressed in ohms.

The unit of frequency is hertz,

and that of inductance is henry.

Answer 2

The unit of inductive reactance is (c) Ohm​.

• Inductive reactance gives the resistance offered by an inductor to the flowing current.
• This resistance is not constant as it depends on the frequency of the supply voltage.
• Inductive reactance (X$_L$) = ωL. Here ω is the angular frequency of the voltage and L s the inductance of the inductor.
• Since X$_L$ is the resistance, its unit is Ohm (Ω).
• The unit of ω is Hertz (Hz) and of L is Henry (H).