eguruchela

List of formulas related to alternating current


Basic Parameters

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

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Effective Current And Voltage

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Ohm's Law Of AC Current Containing Only Resistance R

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Containing Only Inductor L

ZL: inductive reactance

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Containing Only Capacitor C

ZC: capacitive reactance

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Containing R,L, And C In A Series

Z: impedance


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Phase Angle

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Power Factor

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Real Power

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Electrical Resonance

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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

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