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Saturday, 15 August 2026
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Physics Past Questions and Answers

Topic: Faraday's laws of electromagnetic induction

Jamb Physics Questions - Faraday's laws of electromagnetic induction

Question 1:
A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on
  • A The number of turns in the coil
  • B The strength of the magnet
  • C The speed at which the magnet is moved
  • D All of the above
  • E None of the above
View Answer & Explanation
Question 2:
On an a.c generator, which of the following does not apply?
  • A Field magnet
  • B Commutator
  • C Armature
  • D Slip rings
  • E Carbon brushes
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Question 3:
On which of the following is the operation of a moving coil galvanometer based?
  • A Magnetic effect of electric current
  • B Electromagnetic induction
  • C Chemical reaction produced by electricity
  • D Force on current carrying conductor in a magnetic field
  • E Electrical energy and power
View Answer & Explanation
Question 4:
Which of the following statements is true of the properties of a moving coil galvanometer?
  • A THe coil has a small area
  • B There are strong hair springs to gives a large control panlel
  • C There is a strong permanent magnet to give high magnetic flux
  • D It has a small number of turns of coil
View Answer & Explanation
Question 5:
Induced emfs are best explained using
  • A Ohm's law
  • B Faraday's law
  • C Colomb's law
  • D Lenz's law
View Answer & Explanation