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Y Electrical engineerig mainly the supply as sinusoidal
otherthan non-sinsoidal?
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Answer Posted / vikas
1.Sinusodial signals have only one freq component which is
its fundamental freq.Every system's gain is calculated with
reference to sine signal only.THE reason being every system
is bound to have a finite bandwidth and if use other
signals like square for calculation of gain ,it would give
errorneous rersults, as squre has infinite freq comp and
higher freq comp will not be allowed(Due to finite bw of
s/m).
Hence as gain is wrt to sine then it makes sense to use
sine signal only.
2.It doesn't hav dc comp and hence helps in coupling with
transformers.
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