Electromagnetism: Quiz

Question 1 of 10

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Magnetic Field Lines flow in which direction?

Select one of the following:

  • From the north pole to the south pole of a magnet.

  • From the south pole to the north pole of a magnet

  • From the north pole of a magnet to a north pole of another magnet

Question 2 of 10

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What is measured by the Magnetic Flux Density?

Select one of the following:

  • Size of the magnetic field

  • Strength of the magnetic field

  • Current flowing through the magnetic field

Question 3 of 10

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What is the unit of magnetic flux?

Select one of the following:

  • Tesla

  • Weber

  • Ampere

  • Volt

Question 4 of 10

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What is the formula for the force on a current-carrying conductor in a magnetic field?

Select one of the following:

  • F = ILB

  • F = qvB

  • F = ΦB

Question 5 of 10

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Lenz's law states that the magnitude of an emf induced by a changing magnetic flux is proportional to the rate of change of flux linking a circuit.

Select one of the following:

  • True
  • False

Question 6 of 10

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Which of the following electrical devices use the phenomenon of mutual induction?

Select one of the following:

  • Transformer

  • Inductor

  • Semiconductor

Question 7 of 10

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What energy conversion takes place in a generator?

Select one of the following:

  • Electrical to mechanical

  • Mechanical to heat

  • Mechanical to electrical

Question 8 of 10

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Which of the following objects use inductors?

Select one or more of the following:

  • Mobile phone chargers

  • Televisions

  • Dimmer switches in lighting

  • Power stations

  • Radios

Question 9 of 10

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Alternating current is a current whose direction reverses constantly.

Select one of the following:

  • True
  • False

Question 10 of 10

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The left hand rule is used in which scenario?

Select one of the following:

  • Direction of force on a current-carrying conductor in a magnetic field

  • Direction of magnetic field due to current

  • Magnitude of force on a current-carrying conductor in a magnetic field

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Electromagnetism: Quiz

tatemae.honne
Quiz by , created almost 3 years ago

This quiz covers the topics of magnetic fields, magnetic flux density, magnetic flux, forces in magnetic fields and electromagnetic induction. It tests material learnt in the mind map on electromagnetism, and associated notes and mind maps.

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alex.examtime9373
Created by alex.examtime9373 almost 3 years ago
tatemae.honne
Copied by tatemae.honne almost 3 years ago
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