Transformers MCQs Test Online PDF Download

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Practice electromagnetic induction in physics aptitude test MCQs: turn ratio (r) for a step-up transformer is, for free online college courses with options r = 0, r > 1, r < 1, r = 1 for online college bachelor degree programs. Free skills assessment test is for online learning transformers quiz questions with MCQs, exam preparation questions and answers. Transformers Video

MCQ on TransformersQuiz PDF Download

MCQ: Dimensions of rate of change of flux are equivalent to those of

  1. voltage
  2. current
  3. 1/charge
  4. charge

A

MCQ: Turn ratio (r) for a step-up transformer is

  1. r = 0
  2. r > 1
  3. r < 1
  4. r = 1

B

MCQ: Practical application of mutual induction is

  1. transformer
  2. DC generator
  3. AC generator
  4. capacitor

A

MCQ: Transformer is device that works on principle of

  1. self-induction
  2. Lenz's law
  3. mutual induction
  4. motional EMF

C

MCQ: Efficiency of transformer is defined as

  1. (output power/input power) × 100
  2. (input power/output power) × 100
  3. input power/output power
  4. output power × 100

A