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Why are ac parameters are expressed in sine form like V equals Vmsinwt etc....?
Wiki User
∙ 11y ago
Because the instantaneous voltage of any AC is proportional to either one sine
function of time or else to the sum of several sine functions of time. So anything
that depends on the instantaneous voltage of an AC ... like for example the
instantaneous current through a circuit energized by that AC ... will also be
proportional to those same sines.
Wiki User
∙ 11y ago
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