Electromagnetic Induction Quiz
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Questions and Answers

What is the phenomenon where a changing magnetic field in a coil of wire induces an electromotive force?

  • Faraday's law of electromagnetic induction (correct)
  • Ohm's law
  • Gauss's law for magnetism
  • Lenz's law
  • In electromagnetic induction, the direction of the induced current is determined by which law?

  • Gauss's law for electricity
  • Lenz's law (correct)
  • Ohm's law
  • Ampère's law
  • What happens to the induced emf in a coil when the rate of change of the magnetic field through the coil increases?

  • The induced emf remains constant
  • The induced emf decreases
  • The induced emf becomes zero
  • The induced emf increases (correct)
  • Study Notes

    Electromagnetic Induction

    • Electromagnetic induction is the phenomenon where a changing magnetic field in a coil of wire induces an electromotive force (EMF).
    • The direction of the induced current in electromagnetic induction is determined by Lenz's law.
    • When the rate of change of the magnetic field through the coil increases, the induced EMF in the coil also increases.

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    Description

    Test your understanding of electromagnetic induction in physics with this quiz. Explore the phenomenon of induced electromotive force due to a changing magnetic field and discover how the direction of the induced current is determined by specific laws. See how the induced emf in a coil is affected when the rate of change of the magnetic field through the coil increases.

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