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In a communication system, noise is most...

In a communication system, noise is most likely to affect the signal.

A

at the transmitter

B

in the channel

C

in the information

D

at the destination

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CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. The waves used by artificial satellites for communication purposes are

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  2. If a TV telecast isto cover a radius of 640 km, what should be the hei...

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  3. In a communication system, noise is most likely to affect the signal.

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  4. For television broadcasting , the frequency employed is normally

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  5. A device that converts one form of energy into another form is termed ...

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  6. The process of regaining the information from carrier wavesis called.....

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  7. The outermost layer of the earth's atmosphere is........

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  8. The antenna behaves as resonant circuit only when its length is..........

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  9. The difference between the upper and lower frequency limits of the sig...

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  10. The layer that adsorbs largest proportion of UV rays is

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  11. Speed of electromagnetic waves is given

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  12. The lower layer of the earth's atmosphere is called.

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  13. Which of the following is NOT a part of electromagnetic spectrum?

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  14. Operators working on X-ray equipment have a chance of getting skin dis...

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  15. The electromagnetic spectrum contains different electromagnetic waves ...

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  16. In T.V. and V.C.R. remote control uses

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  17. The natural source of Ultraviolet rays is

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  18. Radio waves and visible light in vacuum have

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  19. To induce an e.m.f. in the coil

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  20. Which of the following waves are not electromagnetic waves?

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