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Amplitude modulation is used for broad c...

Amplitude modulation is used for broad casting because

A

it is more noise immune than other modulation systems

B

it requires less transmitting power compared with other systems

C

its use avoids receiver comlexity

D

no other modulation system can provide the necessary bandwidth faithful transmission

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The correct Answer is:
C
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RESONANCE-COMMUNICATION SYSTEMS-Exercise 2
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  2. the attenution in optical fibre is mainly due to

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  3. The maximum distance upto which TV transmission from a TV tower of...

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  4. Amplitude modulation is used for broad casting because

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  5. Range of frequencies allotted for commercial FM radio broadcast is

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  6. A sept index fibre has a relavitive refractive index of 0.88%. What is...

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  7. In which frequency range, space waves are normally propagated?

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  8. If mu and mu(2) are the refractive indices of the materials of core an...

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  9. Through which mode of propagation, the radio waves can be sent from on...

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  10. For television broadcasting, the frequency employed is normally

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  11. The ratio waves of frequency 300 MHz to 3000 MHz belong to

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  12. An antenna behaves as resonant circuit only when its length is

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  13. The electromagnetic waves of frequency 2 MHz and 30 MHz are

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  14. An oscillator is producing FM waves of requency 2kHz with a variation ...

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  15. The phenomenon by which light travels in an optical fibres is

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  16. Television signal on earth cannot be recevied at distances greater th...

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  17. Advantage of optical fibre

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  18. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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  19. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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  20. Both amplitude modulation (AM) and frequency modulation (FM) are used ...

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