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General knowledge practice test MCQ: first electric 'dc' motor was invented by with options frank julian sprague, fran?ois isaac de rivaz, george stephenson and percy spencer problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning dc motor quiz with MCQs to practice test questions with answers. DC Motor Video

MCQs on DC Motor Quiz PDF Download

MCQ: First electric 'DC' motor was invented by

  1. Frank Julian Sprague
  2. Fran?ois Isaac de Rivaz
  3. George Stephenson
  4. Percy Spencer

A

MCQ: First electric DC motor was invented in

  1. 1856
  2. 1866
  3. 1876
  4. 1886

D