Alternating current (AC) unlike Direct current (DC) flows first in one direction then in the opposite direction. Current amperage The is function of time. Direct current (DC) amperage is constant.
The most common AC waveform is a sine (or sinusoidal) waveform. See figure 1.
Instantaneous Current and Voltage
instantaneous current in amperes
q = the angular displacement in degrees or radians
The circuits illustrating all folowing electric circuits laws and circuit analysis techniques are included into Circuit Magic installation Visit main page to learn about Circuit Magic. (Symbolic electrical circuits simulation software to analyse circuits using Kirchhoff's Laws & other methods.)
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