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Communication S...

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  • Question 1
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    Electronic communication is not possible if

     

  • Question 2
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    For attenuation of high frequencies we should use

     

  • Question 3
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    Coaxial cables have a bandwidth in the range of

     

  • Question 4
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    To reduce the distortion in amplitude modulation, modulation index is kept

     

  • Question 5
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    Frequencies in the UHF range normally propagate by means of:

     

  • Question 6
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    Which of these is an example of point to point communication?

     

  • Question 7
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    Amplification is the

     

  • Question 8
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    Transmission bandwidth of fiber optic communication can be up to

     

  • Question 9
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    One method of producing an amplitude modulation is to add the carrier and modulating signal and then

     

  • Question 10
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    A carrier wave of peak voltage 12V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 75%?

     

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