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CMC Medical CMC-Medical Ludhiana Solved Paper-2007

  • question_answer
    The heat produced by 1500 W heater in 14 min when used is

    A)  3.0 kcal                               

    B)  30.0 kcal

    C)  300 kcal                              

    D)  3000 kcal

    Correct Answer: C

    Solution :

                     Heat produced\[=\frac{Pt}{J}\] \[=\frac{1500\times 14\times 60}{4.2}\text{cal}\] \[=\frac{1500\times 14\times 60}{1000\times 4.2}\text{kcal}\] \[=300\,\text{kcal}\]


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