JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Communication

  • question_answer
    Advantage of optical fibre                                            [DCE 2005]

    A)            High bandwidth and EM interference

    B)            Low bandwidth and EM interference

    C)            High band width, low transmission capacity and no EM interference

    D)            High bandwidth, high data transmission capacity and no EM interference

    Correct Answer: D

    Solution :

               Few advantages of optical fibres are that the number of signals carried by optical fibres is much more than that carried by the Cu wire or radio waves. Optical fibres are practically free from electromagnetic interference and problem of cross talks whereas ordinary cables and microwave links suffer a lot from it.


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