1.

In the single-pulse width modulation method, the Fourier coefficient an is given by

A. (Vs/ ) [ cos(n /2) cos(nd) ].
B. 0
C. (4Vs/n ) [sin(n /2) sin(nd)].
D. (2Vs/n ) [sin(n /2) sin(nd)].
Answer» C. (4Vs/n ) [sin(n /2) sin(nd)].


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