In an amplitude modulated wave for audio...

In an amplitude modulated wave for audio frequency of 500 cycles/second, the appropriate carrier frequency will be

50 Hz

100 Hz

500 Hz

50,000Hz

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The correct Answer is:

Carrier frequency should be larger than modulating signal frequency

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Both amplitude modulation (AM) and frequency modulation (FM) are used for radio broadcasting. The amplitude of the high frequency carrier wave is varied or modulated in accordance with the variations in the amplitude of the audio signals that are to be transmitted, in te process of amplitude modulation in frequency modulation te amplitude of the carrier remains constant but its frequency is varied inn accordance withh the audio signal. Reception with AM signals is in general is affected by interference of various kinds ad elaborated equipment is required for FM broadcast. The rangeof a transmitter is

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