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10th Class Science Electricity and Circuits Question Bank 10th CBSE Science Electricity

  • question_answer
      An electric bulb is rated 220 V and 100 W. Calculate the power consumed when it is operated on 110V.

    Answer:

                      Given,                   ?(i) Let the power consumed be when operated at Then,                             ?(ii) From eqs. (i) and (ii), we get                                   (1)


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