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WB JEE Medical WB JEE Medical Solved Paper-2012

  • question_answer
    The \[I-V\]characteristics of a metal wire at two different temperatures (\[{{T}_{1}}\]and\[{{T}_{2}}\]) are given in the adjoining figure. Here, we can conclude that

    A) \[{{T}_{1}}>{{T}_{2}}\]

    B)  \[{{T}_{1}}<{{T}_{2}}\]

    C)  \[{{T}_{1}}={{T}_{2}}\]

    D)  \[{{T}_{1}}=2{{T}_{2}}\]

    Correct Answer: B

    Solution :

     R increases with temperature and slope of \[V-I\] graph gives resistance so \[{{T}_{1}}<{{T}_{2}}.\]


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