#### Electrical Systems

##### Amplitude and Frequency

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The general form of a sinusoidal wave is

$\mathrm{Y = A Sin \left(\omega t + \phi \right)}$


A is the amplitude of the wave, that is the maximum value of the sinusoid wave

Angular frequency ω = 2πf

Where f is the frequency of the wave.

φ is the phase angle of the wave

(In electrical engineering the phase angle is usually expressed in degree)