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A cylindrical wire is stretched to incre...

A cylindrical wire is stretched to increase its length by 10%. Calculate the percentage increase in resistance.

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Knowledge Check

  • The wire is stretched to increase the length by 1%. Find the percentage change in the resistance.

    A
    1
    B
    2
    C
    3
    D
    4

  • If a copper wire is stretched so that its length increases by 20% then what is the percentage increase in its resistance (assuming its volume remaing constant) ?

    A
    `10%`
    B
    `21%`
    C
    `44%`
    D
    `120%`

  • Whan a wire is stretched, the increase in its length is 0.02%. What is the percentage decrease in its diameter if its Poisson's ratio is 0.3 ?

    A
    `0.005`
    B
    `0.006`
    C
    `0.002`
    D
    `0.001`

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    A copper wire is stretched so as to increase its length by 0.2%. Calculate the percentage change in the resistance of the wire.

    If a copper wire is stretched to make its radius decrease by 0.1% , then the percentage increase in resistance is approximately -

    A condutor of length l is stretched such that its length increases by 10 % calculate the percentage change in the resistance of the conductor.

    A wire is stretched to n times its length. Then the resistance now will be increase by

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