IGCSE Simple Phenomena of Magnetism

What does the arrow on a magnetic field line show?

• the direction of a magnetic field

• the electrostatic attraction

• the presence of an electric current

• the strength of a magnetic field

Which of these field patterns is correct?

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What do equal spaces between magnetic field lines show about the magnetic field?

• It has uniform strength

• It goes from a S-pole to a N-pole

• It must be caused by a current

• It must be caused by a bar magnet.

Which pair of objects attract each other?

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Which magnet has the strongest magnetic field?

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The diagram shows the magnetic field around two bar magnets.

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