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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

A

50 cycles/s

B

100 cycles/s

C

500 cycles/s

D

50,000 cycles/s

Text Solution

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The correct Answer is:
D
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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

AAKASH INSTITUTE ENGLISH-COMMUNICATION SYSTEMS -ASSIGNMENT SECTION A Objective (Only one answer)
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  2. A male voice after modulation transmission sounds like that of a femal...

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  3. A basic communication system consists of A. transmitter. B. informati...

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  4. Identify the mathematical expression for amplitude modulated wave

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  5. The distance between consecutive maxima and minima is given by-

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  6. Long distance short-wave radio broadcasting uses

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  7. Broadcasting antennas are generally

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  8. For television broadcasting, the frequency employed is normally

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  9. The sound waves after being converted into electrical waves are not tr...

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  10. The process of superimposing signal frequency (i.e., audio wave) on th...

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  11. In an amplitude modulated wave for audio frequency of 500 cycles/secon...

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  12. If there were no atmosphere, the average temperature on the surface of...

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  17. The frequency of amplitude modulated wave is equal to

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  18. The radio waves of frequency ranging from 2 MHz to 30 MHz are called

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  19. A device which connects one computer to another is known as

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  20. The loss of strength of a signal while propagating through a medium is...

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