Transformer MCQs Quiz Worksheet PDF Download

Learn transformer MCQs, physics test for online course learning and test prep to practice. Electromagnetism quiz questions has multiple choice questions (MCQ), transformer test to learn for online college physics course test.

Physics practice test MCQ on in transformer primary coil is connected to with options ac source, dc source, resistor and inductor problem solving skills for competitive exam, viva prep, interview questions with answer key. Free physics revision notes to learn transformer quiz with MCQs to find questions answers based online learning 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