Electromagnetism Multiple Choice Questions 7 PDF Download

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Physics multiple choice questions (MCQ) on when a current passes through a conductor, it produces magnetic field around it. this is discovered by with options ampere, faraday, fleming and johns burge, magnetic effects of steady current quiz for competitive exam prep, viva interview questions with answers key. Free physics study guide to learn 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. Electric power delivered to secondary circuit is equal to power supplied to 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 primary coil. secondary voltage should be

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

A

MCQ. Current-carrying loop inside magnetic field rotate due to

  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