Transformer MCQs Quiz and Answers Tests pdf Download

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

MCQs on Transformer Quiz pdf Download

MCQ. In transformer primary coil is connected to

  1. Ac source
  2. Dc source
  3. resistor
  4. inductor

A

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

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

B

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

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

C

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

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

B