Transformer MCQ Questions Online PDF Download

Transformer MCQs, transformer quiz answers pdf to study high school physics for online certificate courses. Learn electromagnetism Multiple Choice Questions and Answers (MCQs), "transformer" quiz questions and answers for virtual high school. Learn alternate current generator, lenz law, magnetic field versus voltage, magnetic effects of steady current, transformer test prep for online study.

"In a transformer, the primary coil is connected to" Multiple Choice Questions (MCQ) on latent heat of fusion with choices alternating current (ac) source, direct current (dc) source, resistor, and inductor for virtual high school. Free physics student portal for online learning electromagnetism quiz questions for high school graduation certificate.

MCQs on Transformer PDF Download

MCQ: In a transformer, the primary coil is connected to

  1. Alternating current (AC) source
  2. Direct current (DC) source
  3. resistor
  4. inductor

A

MCQ: A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

  1. 100
  2. 200
  3. 120
  4. 480

B

MCQ: In transformer the changing current in primary coil induces changing magnetic field in

  1. resistor
  2. inductor
  3. insulator
  4. secondary coil

D

MCQ: A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A then the current in the primary coil should be

  1. 0.08 A
  2. 0.05 A
  3. 0.02 A
  4. 0.01 A

C

MCQ: If the secondary voltage is larger than the primary voltage, the transformer is called a

  1. positive transformer
  2. step-up transformer
  3. negative transformer
  4. step-down transformer

B