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10th Class Science Electricity and Circuits

  • question_answer 59)
      Unit of electric power may also be expressed as (a) volt ampere                 (b) kilowatt hour              (c) watt second                 (d) joule second

    Answer:

                      (a) Electric power is given by P = voltage x current Sl Unit of voltage = Volt Sl Unit of current = Ampere So, its unit is volt ampere.


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