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How does the resistance of a wire depend...

How does the resistance of a wire depend on its length ?

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The resistance of wire, `R prop l` where `l` is the length of the wire.
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Knowledge Check

  • The resistivity of a wire depends on its

    A
    Length
    B
    Area of cross-section
    C
    Shape
    D
    Material

  • The resistivity of a wire depends on its

    A
    length
    B
    area of cross-section
    C
    shape
    D
    materical

  • Specific resistance of a wire depends on its

    A
    mass
    B
    length
    C
    area of cross-section
    D
    none of these

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    How does the resistance of a conductor depend on: (a) length of the conductor? (b) area of cross-section of the conductor? (c) temperature of the conductor?

    (a) On what factor does the current rating of a pole fuse depend? (b) Does the function of a fuse-wire depend on it length?

    Explain How does the resistance of a wire vary with its area of cross-section?

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