Alternating Current Circuits

AC Sources  : angular frequency of AC voltage  V max : the maximum output voltage of AC source

Resistors in an AC Circuit i R : the instantaneous current in the resister  v R : the instantaneous voltage across the resister

Resistors in an AC Circuit I max : the maximum current  v R : the instantaneous voltage across the resister

Resistors in an AC Circuit

rms : root mean square P av : the average power delivered to a resistor

Inductors in an AC Circuit L : the inductance of the inductor  v L : the self-induced instantaneous voltage across the inductor

Inductors in an AC Circuit i L : the instantaneous current in the inductor

Inductors in an AC Circuit the inductive reactance

Inductors in an AC Circuit

Capacitors in an AC Circuit C : the capacitance of the capacitor  v C : the instantaneous voltage across the capacitor

Capacitors in an AC Circuit the capacitive reactance

Capacitors in an AC Circuit

The RLC Series Circuit

the impedance

The RLC Series Circuit

Power in an AC Circuit  = 0 : P av in the resistor  =  /2: P av in the capacitor or inductor