AC circuit rules
Momentary Voltage

Momentary Current

Impedance
Cartesian form:

Polar form

Cartesian to polar conversion


Polar to Cartesian conversion


Phasors arithmetic




Angular frequency

- angular frequency, measured in [rad/sec]
- frequency, measured in Hertz [Hz] = [1/s]
- cycle period, measured in seconds [s]
Capacitor Impedance

Inductor Impedance

Ohm Law

Effective voltage

Effective current

Average power
