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A device which provides output in electr...

A device which provides output in electrical form or it has Input in electrical form is called a

A

Transmitter

B

Receiver

C

Repeater

D

Transducer

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-COMMUNICATION SYSTEMS -ASSIGNMENT SECTION A Objective (Only one answer)
  1. Out of the following, which is not an essential element of a communica...

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  2. A device which provides output in electrical form or it has Input in e...

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  3. Decrease in signal strength due to energy losses is called

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  4. The disturbance or distortion in the transmission and processing of me...

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  5. A repeater is a combination of

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  6. What is the audible range of the average human ear?

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

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  8. If lambda is wavelength of radio signals to be transmitted, then the l...

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  9. Why is modulation necessary at all ?

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  10. A device that connects one computer to another across ordinary telepho...

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  11. Three waves A,B and C of frequencies 1600 KHz, 5MHz and 60 MHz, respec...

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  12. The velocity of electromagnetic waves in a dielectric medium (in(r)=4)...

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  13. A speech signal of 3 KHz is used to modulate a carrier signal of frequ...

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  14. An 'antenna' is:

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  15. A message signal of frequency omega(m) is superposed on a carrier wave...

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  16. A male voice after modulation transmission sounds like that of a femal...

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

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  18. Identify the mathematical expression for amplitude modulated wave

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

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  20. Long distance short-wave radio broadcasting uses

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