A 2H inductor has negligible resistance and is connected ...
A 2H inductor has negligible resistance and is connected to a 50π Hz A.C supply. The reactance of the inductor is?
200Ω
50Ω
100π
25πΩ
Correct answer is A
Given;
L = 2H
F = 50π H2
XL = ?
XL = 2πfL = 2π x 50λ x 2
= 200Ω