Fundamental Physics/Electronics/Impedance

Impedance

Impedance is defined as resistance of the conductor to the flow of AC current . Impedance is denoted as Z and calculated as the sum of its resistance and its reactance

Z=R+X

Impdedance of conductors

Resistor

Resistor's Impedance

Z=R+X_{R}=R

Resistor's Reactance

X_{R}=0

Capacitor

Capacitor's Impedance

Z_{C}=R_{C}+X_{C}

Capacitor's Reactance

X_{C}={\frac {V_{C}}{I_{C}}}

Inductor

Inductor's Impedance

Z_{L}=R_{L}+X_{L}

Inductor's Reactance

X_{L}={\frac {V_{L}}{I_{L}}}

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