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    select the correct cable that transport signals in the form of light

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    Select the correct cable that transport signals in the form of

    Select the correct cable that transport signals in the form of light: a) Twisted-Pair cable b) Fiber optic cable c) Coaxial Cable d) Shielded Twisted Pair cable

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    Select the correct cable that transport signals in the form of light:

    A. Twisted-Pair cable

    B. Fiber optic cable

    C. Coaxial Cable

    D. Shielded Twisted Pair cable

    Answer: Option B

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    Select the correct cable that transport signals in the form of light:

    Select the correct cable that transport signals in the form of light:

    Advertisement Remove all ads MCQ

    Select the correct cable that transports signals in the form of light:

    OPTIONS

    Twisted-pair cable Fibre optic cable Coaxial cable

    Shielded twisted pair cable

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    SOLUTION

    Fibre optic cable

    Concept: Transmission Media

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    [Solved] Cables that transmits signals in form of light is

    Optical Fiber: It is a very thin fiber made of glass and plastic having a radius of the order of a micrometer (10-6 m). It works on the principle

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    Cables that transmits signals in form of light is

    This question was previously asked in

    SDSC (ISRO) Technician B (Electronic Mechanic): Previous Year Paper (Held on 29 April 2018)

    Download PDF Attempt Online

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    Unwired Fiber optic cable Coaxial cable Twisted pair cable

    Answer (Detailed Solution Below)

    Option 2 : Fiber optic cable

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    Detailed Solution

    Download Solution PDF

    Optical Fiber:

    It is a very thin fiber made of glass and plastic having a radius of the order of a micrometer (10-6 m).

    It works on the principle of Total Internal Reflection.

    It is lightweight, fast, and useful for long-distance data and light transmission with very few losses.

    Optical fiber mostly used for communication purposes with negligible loss of energy.

    A bundle of such thin fibers forms a light pipe.

    Explanation:

    The working principle of optical fibers is Total Internal Reflection.

    Each fiber consists of a core and cladding.

    The refractive index of the material of the core (μ1) is higher than that of the cladding (μ2).

    When the light is incident on one end of the fiber at a small angle, the light passes inside, undergoes repeated total internal reflections along with the fiber, and finally comes out.

    The angle of incidence is always larger than the critical angle of the core material with respect to its cladding.

    Even if the fiber is bent, the light can easily travel through along the fiber.

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