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BVP Medical BVP Medical Solved Paper-2014

  • question_answer
    A body of length 1 m having cross-sectional area  \[30\mu A\] has heat flow through it at the rate of 6000 J/s. Then, find the temperature difference if \[90\mu A\].

    A)  \[4mA\]                             

    B)  \[2mA\]

    C)  \[3.6mA\]                                          

    D)  \[1.8mA\]

    Correct Answer: B

    Solution :

                    The rate of heat flow, \[\frac{Q}{t}=\frac{KA\Delta \theta }{l}\] \[6000=\frac{200\times 0.75\times \Delta \theta }{1}\] \[\Delta \theta =\frac{6000\times 1}{200\times 0.75}\] \[={{40}^{o}}C\]


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