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Major parts of communications systems ar...

Major parts of communications systems are:

A

transmitter and receiver

B

receiver and communication channel

C

transmitter and communication channel

D

transmitter, receiver and communication channel

Text Solution

Verified by Experts

The correct Answer is:
D
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  3. Modulation is the phenomenon of :

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

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  5. The ground wave propagation is suitable for radio waves of frequency

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  6. The sky wave propagation is suitable for radiowaves of frequency

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

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  8. The electromagnetic waves of frequency range 100 to 300 Hz are used in

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  9. Space wave propagation is used in (a) microwave communication (b) ...

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  10. The electromagnetic waves of frequency 80 MHz and 200 MHz

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  11. The air of earth's atmosphere responsible for absorbing a large port...

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  12. A TV tower has a height of 150 m. The area of the region covered by th...

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  13. What does the modern do?

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  14. For a carrier frequency of 100 kHz and a modulating frequency of 5kHz ...

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  15. Which of the following is digital modulation technique?

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  16. What is the radiowaves signal called if it propagates from one place t...

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  17. Three waves A,B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respe...

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  18. A 100 m long anteena is mounted on a 500 m tall building. The complex ...

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  19. A speech signal of 3 kHz is used to modulate a carrier signal of frequ...

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  20. A message signal of freuency omega(m) is superposed on a carrier wave ...

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