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A wire of resistance 48 Omega is uniform...

A wire of resistance `48 Omega` is uniformly stretched until its new length becomes 4 times the original length. Find its new resistance.

Text Solution

Verified by Experts

The correct Answer is:
`75 Omega`
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A wire of resistance 5Omega is uniformly stretched until its new length becomes 4 times the original length. Find its new resistance.

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Knowledge Check

  • If a wire of resistance 25Omega is uniformly stretched until its length becomes three times its original length then its new resistance is

    A
    `100Omega`
    B
    `225Omega`
    C
    `2.25Omega`
    D
    `122.5Omega`

  • A wire of resistance 12Omega is stretched uniformly till its length becomes three times original length. The change in resistance of wire is

    A
    `96 Omega`
    B
    `108 Omega`
    C
    `150Omega`
    D
    `208 Omega`

  • A uniform wire of resistance R is uniformly compressed along its length, until its radius becomes n times the original radius. Now resistance of the wire becomes

    A
    `(R)/(n^(4))`
    B
    `(R)/(n^(2))`
    C
    `(R)/(n)`
    D
    `nR`

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    A copper wire of resistance R_(0) is strerched till its length is increased to n times of its original length. What will be its new resistance?

    A wire of resistance 10 Omega is drawn out so that its length is thrice its original length. Calculate its new resistance (resistivity and density of the material remain uncharged). " " Or A wire of resistance 10 Omega is drawn out so that its length is increased by twice its original length. Calculate its new resistance.

    A wire of resistance 5Omega is drawn out so that its length is increased by twice its original length. Calculate its new resistance.

    A wire of resistance 10 Omega is drawn out so that its length is thrice its original length. Calculate its new resistance (resistivity and density of the material remain uncharged).

    A wire of resistance x ohm is draw out, so that its length in increased to twice its original length, and its new resistance becomes 20 Omega then x will be .

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