Transformer MCQs Quiz Worksheet PDF Download

Practice transformer MCQs in physics quiz for online learning test. Electromagnetism quiz questions has multiple choice questions (MCQ), transformer test to practice as in transformer primary coil is connected to. Answer key help with choices as ac source, dc source, resistor and inductor problem solving for competitive exam, viva prep, interview questions worksheets. Free physics revision notes to practice transformer quiz with MCQs to find questions answers based online learning tests.

MCQs on Transformer Quiz PDF Download

MCQ. In transformer the primary coil is connected to

  1. Ac source
  2. 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. both A and B
  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