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The current drawn by a 220 V dc motor of armature resistance 0.5W and back emf 200V is
  • a)
    40 A
  • b)
    44 A
  • c)
    400 A
  • d)
    440 A
Correct answer is 'A'. Can you explain this answer?
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The current drawn by a 220 V dc motor of armature resistance 0.5W and ...
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The current drawn by a 220 V dc motor of armature resistance 0.5W and ...
The formula of back emf in dc motor is Eb=V - Ia Ra
V=input voltage of motor,=220v
Ia= armature current=?
Ra=armature resistance=0.5 ohm
Eb=back emf =200v

220=200 - 0.5*Is
Ia=40Amps
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The current drawn by a 220 V dc motor of armature resistance 0.5W and back emf 200V isa)40 Ab)44 Ac)400 Ad)440 ACorrect answer is 'A'. Can you explain this answer? for Electrical Engineering (EE) 2026 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The current drawn by a 220 V dc motor of armature resistance 0.5W and back emf 200V isa)40 Ab)44 Ac)400 Ad)440 ACorrect answer is 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The current drawn by a 220 V dc motor of armature resistance 0.5W and back emf 200V isa)40 Ab)44 Ac)400 Ad)440 ACorrect answer is 'A'. Can you explain this answer?.
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