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| 1. |
A periodic rectangular signal, () has the waveform shown in the given figure. Frequency of the fifth harmonic of its spectrum is __________ |
| Answer» The periodic time = 4 ms = 4 x 10-3 s ∴ The fundamental frequency ∴ Frequency of the 5th harmonic = 250 x 5 = 1250 Hz. | |