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Communication S...

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  • Question 1
    4 / -1

    In light modulation, which characteristic of the carrier light wave is varied?

  • Question 2
    4 / -1

    Though which mode of communication can radiowaves be sent from one Plate to another?

  • Question 3
    4 / -1

    Which range of Frequencies is Suitable for sky wave Propagation ?

  • Question 4
    4 / -1

    Which of the Following is not a component of communication System ?

  • Question 5
    4 / -1

    Device which transform one form of energy in to another form of energy is called a ___________

  • Question 6
    4 / -1

    ___________ is a link between the transmitter and receiver

  • Question 7
    4 / -1

    ___________ in the receiver section are used to reduce the level of noise signal

  • Question 8
    4 / -1

    The minimum distance a up to which T.V transmission from a T.V. tower of height h can be received is Proportional to

  • Question 9
    4 / -1

    The energy attenuation in optical fibre is mainly due to

  • Question 10
    4 / -1

    The electromagnetic waves of frequency 2 MHz to 30 MHz are

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