J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    As the temperature rises the resistance offered by metal

    A)  increases     

    B)  decreases

    C)  remains same

    D)  None of these

    Correct Answer: A

    Solution :

    Near room temperature, the electric resistance of a typical metal conductor increases linearly with temperature. \[R={{R}_{0}}(1+\alpha T)\] where \[\alpha \] is the thermal resistance coefficient.


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