Electromagnetism Multiple Choice Questions 7 PDF Download

Learn electromagnetism MCQs, grade 10 online physics test 7, magnetic effects of steady current multiple choice questions and answers. Magnetic effects of steady current revision test has physics worksheets, helping answer key with choices as ampere, faraday, fleming and johns burge of multiple choice questions (MCQ) with magnetic effects of steady current quiz as when a current passes through a conductor, it produces magnetic field around it. this is discovered by for competitive exam prep, viva interview questions. Free physics study guide to practice magnetic effects of steady current quiz to attempt multiple choice questions based test.

MCQs on Electromagnetism Quiz PDF Download Worksheets 7

MCQ. When a current passes through a conductor, it produces magnetic field around it. This is discovered by

  1. Faraday
  2. Ampere
  3. Fleming
  4. Johns Burge

B

MCQ. The electric power delivered to the secondary circuit is equal to the power supplied to the primary circuit in a/an

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

A

MCQ. Change in no. of magnetic field lines induces

  1. current in coil
  2. EMF in the coil
  3. frequency in coil
  4. both A and C

B

MCQ. A step-up transform has a turns ratio of 1 : 200. An alternating supply of 15 V is connected across the primary coil. The secondary voltage should be

  1. 3000 volts
  2. 1500 volts
  3. 1000 volts
  4. 2000 volts

A

MCQ. The current-carrying loop inside the magnetic field rotate due to the

  1. current acting on the coil
  2. torque acting on the coil
  3. couple acting on the coil
  4. light acting on the coil

B