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Communication channel consist of:...

Communication channel consist of:

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A communication channel is the path or the physical medium through which a signal propagates from a transmitter to a receiver. A communication channel can be a transmission line or the physical space surrounding us
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A basic communication system consist of ( a ) transmitter ( b ) information source ( c ) channel ( d ) receiver Choose the correct sequence in which these are arranged in a basic communication system:

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Knowledge Check

  • Which of the following is the communication channel in case of radio communication ?

    A
    Transmission lines
    B
    Reception lines
    C
    Free space
    D
    None of the above

  • A basic communication system consists of: {:((1)"transmitter",(2)"information source",),((3)"user of information",(4)"channel",(5)"receiver"):}

    A
    12345
    B
    21453
    C
    24135
    D
    25143

  • A receiver of communication system consists of

    A
    detector only
    B
    amplifier only
    C
    detector, amplifier and speaker
    D
    detector, amplifier, speaker and modulator

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    In communication system, type of communication channel needed for given signal depends on

    A 1 KW signal is transmitted using a communication channel which provides attenuatiom at the rate of - 2 dB per km . If the communication channel has a total length of 5 km , the power of the signal received is [ gain in dB = 10 log ((P_(0))/(P_(i)))]

    A communication channel having an operating wavelength of lambda metre can use only x% of its source frequency as its channel bandwidth . If the system is to be used for transmitting T.V. signals requiring a bandwidth of F Hertz . How many channels can this system transmit simultaneously ?

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