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Capacitive Reactance for AC Circuits

Capacitive Reactance Equation


$$ X_C = \frac{1}{2 \pi f C} $$
where:

XC   =   Capacitive Reactance   (Ω)

f   =   Frequency   (Hz)

C   =   Capacitance   (F)


Calculator








 


 


 


 


Equation Assumptions


  • The capacitor is ideal.
  • The system is in steady-state AC condition.
  • There no significant dielectric losses.
  • The AC voltage or current is sinusoidal.