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

  • question_answer
        If an electric iron of 1200 W is used for 30 min everyday, find electric energy consumed in the month Of April.  

    Answer:

       Given, power of electric iron =1200 W Power Energy used in one day = 21.6 x 10 J Energy used in 30 days = 21.6 x 105 x 30


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