At what frequency would a 10H inductor have a reactance of 2000Ω?
- π/200Hz
- π/100Hz
-
100/πHz
- 100πHz
The correct answer is: C
Explanation
Inductive reactance XL = 2πfL∴ 2πfL = 2000Ω
then f = 2000Ω/2 x π x 10
f = 100/πHz