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Communication S...

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  • Question 1
    4 / -1

    The transmission of high frequencies in a coaxial cable is determined by

  • Question 2
    4 / -1

    A double star system consists of two stars A and B which have time period TA and TB . Radius RA and RB and mass MA and MB . Choose the correct option.

  • Question 3
    4 / -1

    Type of communication Possible by Modem duplex is …………………

  • Question 4
    4 / -1

    To transmit 1 Khz frequency signal, wave length of the signal should be ___________m.

  • Question 5
    4 / -1

    What should be the minimum length of the antenna capable of emitting audio signal of wave length λ ?

  • Question 6
    4 / -1

    ___________is used as a medium an space communication

  • Question 7
    4 / -1

    The band width of Audio signal is

  • Question 8
    4 / -1

    Ground waves are polarised at ___________direction.

  • Question 9
    4 / -1

    Intensity of electric field of ground waves is in ____________of the distance travelled by it.

  • Question 10
    4 / -1

    In radio and television broadcast, the information signal is in the form of

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