# Define Capacitor Reactance. Write Its S.I Units. - Physics

Define capacitor reactance. Write its S.I units.

#### Solution

Capacitor reactance is the resistance offered by a capacitor when it is connected to an electric circuit. It is given by

X_C=1/(omegaC)

where
ω = Angular frequency of the source

C = Capacitance of the capacitor

The SI unit of capacitor reactance is ohm (Ω).

Concept: Capacitors and Capacitance
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