Magnetism

Why are paper clips attracted to magnets?

• They contain aluminum.

• They contain iron.

• They contain tin.

• They contain silver.

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Which image has the most potential energy in the system of magnets?

• A

• B

• C

• D

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How do magnetic field lines move?

• always from the south pole towards the

  north pole

• always from the north pole towards the

  south pole

• always from the pole to the middle

• depends of the type of magnet

Where is magnetic force the strongest?

• the center of the magnet

• the poles of the magnet

• farther away from the magnet

• around all the edges of the magnet

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A magnetic field is a field of force that is produced by moving ________ charges.

• northern

• positive

• gravitational

• electric

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This substance is ___.

• magnetized

• positively charged

• negatively charged

• unmagnetized

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What will happen if you bring these two electric charges near each other?

• They will attract.

• They will repel.

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What type of a system is this?

• Attracting

• Repelling

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If two magnets have their North Poles facing each other then what will happen?

• They will attract.

• They will drift.

• They will explode.

• They will repel.

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What is a magnetic domain?

• a region in a magnetic material in which the magnetic fields of atoms all point in the same direction

• a region in a magnetic material in which the magnetic fields of atoms all point in different directions