In TV broadcasting both picture and sound are transmitted simultaneously.In
(a) audio signal is frequency modulated and video signal is amplitude modula
(b) both audio and video signals are frequency modulated.
(c) audio signal is amplitude modulated and video signal is frequency modula
(d) both audio and frequency signals are amplitude modulated.
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The answer is:
a) audio signal is frequency modulated and video signal is amplitude modulated.
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