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10th Class Science Electricity and Circuits Question Bank Electricity

  • question_answer
    The coil of a heater is cut into two equal halves and only one of them is used in the heater. Then ratio of the heat produced by this half of the coil to that produced by the original coil is

    A)  2 : 1                        

    B)         4 : 1

    C)  1 : 2                      

    D)         1 : 4

    Correct Answer: A

    Solution :

    Not Available


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