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Draw backs of Amplitude modulation...

Draw backs of Amplitude modulation

A

low effeciency

B

noise reception

C

operating range is small

D

all of these

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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. A radio frequency carrier wave can be modulated using a-

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. In india the radio signals are boarcast using-

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

What are the limitaions of amplitude modulation?

NIKITA PUBLICATION-COMMUNICATION SYSTEMS-Multiple Choice Questions (Production and detection of amplitude modulated wave)
  1. Which of the following is application of amplitude modulation ?

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  2. Citizen's band ratio is the application of

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  3. Draw backs of Amplitude modulation

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  4. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

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  5. Amplitude modulation is useful for broadcasting in communication syste...

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  6. The maximum peak ro peak voltage of an AM wire is 24 mV and the minimu...

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  7. Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50V is a...

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  8. What is the modulation index of an over modulated wave

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  9. What type of modulation is employed in india for radio transmission

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  10. If audio signal is tranmitted directly into space, the length of the t...

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  11. In amplitude modulation

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  12. Modulation factor determines-

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  13. Degree of modulation-

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  14. The AM wave is equivalent to the summation of

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  15. The AM wave contans three frequencies viz:

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  16. In AM waves, the amplitude of each side band frequency is

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  17. Which of the following is/are the limitations of amplitude modulation?

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  18. The process of recovering the audio signal from the modulated wave is ...

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  19. The frequency above which radiation of electrical energy is practical ...

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  20. What is the band width in amplitude modulation ?

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