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

  • question_answer
      6 bulbs of 40 W are used for 6 h a day along with one 100 W bulb for 2 h Calculate the 'units' of energy consumed in one day by all bulbs.

    Answer:

       Energy consumed by 16 bulbs of 40 W in one day for  Number of kWh Energy consumed by 1 bulb of 100 W in one day for 2h Total number of units of energy consumed in one day by all bulbs =3.84+0.2= 4.04 kWh


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