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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2009

  • question_answer
        The voltage V and current\[I\]graph for a conductor at two different temperatures\[{{T}_{1}}\]and\[{{T}_{2}}\]are shown in figure. The relations between\[{{T}_{1}}\]and\[{{T}_{2}}\]is

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

    B)  \[{{T}_{1}}<{{T}_{2}}\]

    C)  \[{{T}_{1}}={{T}_{2}}\]                 

    D)  \[{{T}_{1}}\approx {{T}_{2}}\]

    Correct Answer: A

    Solution :

                    Slope\[=\frac{V}{l}=\]resistance So,      \[{{R}_{1}}>{{R}_{2}}\]\[\Rightarrow \]\[{{T}_{1}}>{{T}_{2}}\]


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