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Communication S...

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  • Question 1
    4 / -1

    Which of the following alternative is not nature Noise ?

  • Question 2
    4 / -1

    In optical fibre communication, the APD semi conductor device is used

  • Question 3
    4 / -1

    Phase difference between space current and capacitive current is

  • Question 4
    4 / -1

    Refractive index of ionosphere is

  • Question 5
    4 / -1

    In an amplitude modulated wave for audio frequency of 500 cycle/second, the appropriate carrier frequency will be

  • Question 6
    4 / -1

    AM is used for broadcasting because

  • Question 7
    4 / -1

    Range of frequencies allotted for commercial FM radio broadcast is

  • Question 8
    4 / -1

    The velocity factor of a transmission line is x. If dielectric constant of the medium is 2.6, value of x is

  • Question 9
    4 / -1

    The process of superimposing signal frequency (i. e., audio wave) on the carrier wave is known as

  • Question 10
    4 / -1

    Long distance short-wave radio broadcasting uses

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