alleryStart learning →Inductive reactance X_L = ?
AωL²
B1/(ωL)
CR/ωL
DωL = 2πfL
Answer & Solution
Correct answer: D. ωL = 2πfL
We have X_L = ωL.
So X_L = 2πfL.
Increases with frequency.
At DC (f=0): X_L = 0 (inductor acts as short).
**At very high f:** large impedance (open).
**Used in filters:** low-pass uses series L.
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