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  • Question
  • D.C Series motor never operated on


  • Options
  • A. Full Load
  • B. Half Load
  • C. No Load
  • D. At any Load

  • Correct Answer
  • No Load 

    Explanation

    D.C series motor both armature and feild connected in series at noload condition current drawn by the motor is zero Ia=0 flux also zero. but very small amount of flux avalible because of residual magnetism

    in series motor speed  =  N ? Eb/? Eb almost conistant

                                     =    N ? 1/?

    At no load condition d.c series can be run as dangerously very high so d.c series motor
    operated at load condition only

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