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CMC Medical CMC-Medical Ludhiana Solved Paper-2013

  • question_answer
    The starter motor of a car draw a current\[I=300\,A\]from the battery of voltage 12V. If the car starts only after 2 minutes, what is the energy drawn from the battery?

    A)  3 kJ                       

    B)  30 kJ

    C)  7.2 kJ                   

    D)  432 kJ

    Correct Answer: D

    Solution :

                    Energy drawn from the battery \[E=VIT\]     \[=12\times 300\times 2\times 60\]     \[=432\times {{10}^{3}}J\]     \[=432\,kJ\]


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