Transformers in Physics MCQs Test Online PDF Download

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MCQ on Transformers in PhysicsQuiz PDF Download

MCQ: If a secondary coil has 40 turns, and, a primary coil with 20 turns is charged with 50 V of potential difference, then potential difference in secondary coil would be

  1. 50 V in secondary coil
  2. 25 V in secondary coil
  3. 60 V in secondary coil
  4. 100 V in secondary coil

D

MCQ: In transformer, alternating current is induced in

  1. primary coil
  2. secondary coil
  3. iron core
  4. resistor

B

MCQ: A well designed transformer loses power under

  1. 10%
  2. 1.20%
  3. 0.1%
  4. 20%

C

MCQ: Ratio of voltages is equal to ratio of

  1. iron sheets in core
  2. coil
  3. number of turns in coil
  4. all of above

C

MCQ: Ratio of voltages is inverse ratio of the

  1. transformer
  2. resistor
  3. iron core
  4. current

D