The adjacent graph shows the extension $(\Delta l)$ of a wire of length $1\, m$ suspended from the top of a roof at one end and with a load $W$   connected to the other end. If the cross-sectional area of the wire is $10^{-6}\, m^2$, calculate the Young’s modulus of the material of the wire.

48-82

  • [AIIMS 2008]
  • A

    $2\times10^{11}\, N/m^2$

  • B

    $2\times10^{-11}\, N/m^2$

  • C

    $3\times10^{-12}\, N/m^2$

  • D

    $2\times10^{-13}\, N/m^2$

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  • [AIEEE 2012]

The adjacent graph shows the extension $(\Delta l)$ of a wire of length $1m$ suspended from the top of a roof at one end with a load $W$ connected to the other end. If the cross sectional area of the wire is ${10^{ - 6}}{m^2},$ calculate the young’s modulus of the material of the wire

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