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  3. 10th Class
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10th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    An electric heater of resistance \[8\,\,\Omega \]draws 15 A from the service mains in 2 hours. Calculate the rate at which heat is developed in the heater.

    A) 400 J/s

    B) 600 J/s

    C) 1200 J/s

    D) 1800 J/s

    E) None of these

    Correct Answer: D

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