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A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer is
  • a)
    3.6 ampere
  • b)
    2.8 ampere
  • c)
    2.5 ampere
  • d)
    5.0 ampere
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A 220 volt input is supplied to a transformer. The output circuit draw...
Here,
Input voltage, Vp = 220 V
Output voltage, Vs = 440 V
Input current, Ip = Ip
Output current, Is = 2A
Efficiency of the transformer,  η = 80%
Efficiency of the transformer, 
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A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer isa)3.6 ampereb)2.8 amperec)2.5 ampered)5.0 ampereCorrect answer is option 'D'. Can you explain this answer?
Question Description
A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer isa)3.6 ampereb)2.8 amperec)2.5 ampered)5.0 ampereCorrect answer is option 'D'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer isa)3.6 ampereb)2.8 amperec)2.5 ampered)5.0 ampereCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volts. If the efficiency of the transformer is 80%, the current drawn by the primary windings of the transformer isa)3.6 ampereb)2.8 amperec)2.5 ampered)5.0 ampereCorrect answer is option 'D'. Can you explain this answer?.
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