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Comments ( 4 )

  1. Sanjay Kumar
    Sanjay Kumar :
    2 years ago

    Eb=1/2 × armature voltage (v)
    = V/2

  2. Rishabh Katiyar
    Rishabh Katiyar :
    2 years ago

    wrong ans

  3. Ravindra Verma
    Ravindra Verma :
    2 years ago

    i also says that this answer is may be wrong because maximum power in dc motor is back emf=supply voltage /2

  4. Saleem 6124
    Saleem 6124 :
    3 years ago

    I think the ans may wrong... In DC motors the condition for max power should be
    Back EMF=1/2 ×supply voltage

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