A periodic rectangular signal X (t) has the waveform as shown below. The frequency of the fifth harmonic of its spectrum is ______________

A periodic rectangular signal X (t) has the waveform as shown below.

1.	A periodic rectangular signal X (t) has the waveform as shown below. The frequency of the fifth harmonic of its spectrum is ______________
A.	40 Hz
B.	200 Hz
C.	250 Hz
D.	1250 Hz
Answer» E.

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A periodic rectangular signal X (t) has the waveform as shown below. The frequency of the fifth harmonic of its spectrum is ______________

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