BE02_03.asp
fra0200 Basic Electroincs
 

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Equation

Inductive Reactance:

XL = 2pfL

Where:

XL = inductive reactance in Ohms

f = frequency in Hertz

L = inductance in Henrys

Examples

Examples and Exercises

Determine the inductive reactance for this circuit.

 

 

The equation, XL = 2pfL , demonstrates the relationship between inductive reactance (XL), the frequency (f) of the waveform applied to the circuit, and the value of the inductance (L).  

The amount of inductive reactance (XL) changes proportionally with the applied frequency (f): 

  • Increasing the value of f causes XL to increase. 
  • Decreasing the value of f causes XL to decrease.

  The amount of inductive reactance ( XL) changes proportionally with the value of inductance (L): 

  • Increasing the value of L causes  XL to increase.   
  • Decreasing the value of L causes  XL to decrease.

 

David L. Heiserman, Editor

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All Rights Reserved

Revised: June 06, 2015