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9th Class Science Work and energy Question Bank 9th CBSE Science Work and energy

  • question_answer
      What is the relationship between the commercial unit and SI unit of energy?

    Answer:

                      We know that, 1kWh = 1 kW X 1 h = 1000 W x 3600 s = 1000 Js-1 x 3600s = 3600000J 1kWh = 3.6 x 106]


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