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10th Class Science Magnetic Effects of Electric Current Question Bank Electricity and Magnetic Effects of Electric Current

  • question_answer
    An electric cooler is rated 6 KW. Electrical energy costs Rs. 4.5 per KWh. The cost of using the cooler for three hours is:

    A) Rs 60.5             

    B) Rs 67.5    

    C) Rs 70                           

    D) Rs 75

    E) None of these

    Correct Answer: B

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