Basic Parameters

i: instantaneous current (A), Io: maximum instantaneous current (A), T: period of the wave, f: frequency, λ: wavelength, c: speed of light


Effective Current And Voltage

Ohm's Law Of AC Current Containing Only Resistance R

Containing Only Inductor L

ZL: inductive reactance

Containing Only Capacitor C

ZC: capacitive reactance

Containing R,L, And C In A Series

Z: impedance

Phase Angle

Power Factor

Real Power

Electrical Resonance

Changing Voltage With Transformers

N1, N2: number of turns in the primary coil and secondary coil; U1, U2: primary and secondary voltage; I1, I2: primary and secondary current