Answer / simi

VHF(30MHZ-300MHZ)

Answer / sigma 6

What do you mean by signal?

Signal is not the same as a frequency which is periodic.
signals can be a set of information contained in a
frequency.
signals can be a character in a modulation or set of
modulations.

needed web address and its directory for objective type question with answer in electronics instrumentation paper.

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why ac waveform repesented by using sine wave why not others?

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pitch frequency of female?

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what is modem

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