Magnetism and Electromagnetism Quiz

What will happen when these magnets are brought close together?

• They will attract each other.

• They will repel each other.

• Nothing will occur.

• It will turn into one magnet.

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The AREA around a magnet where you feel a pulling force.

• Gravity

• Magnetic Field

• Magnetism

• Current

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Where is the force of attraction the strongest on a magnet?

• at the poles

• in the middle

• above the magnet

• below the magnet

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Which of these materials will a magnet attract?

• Plastic

• Iron

• Rubber

• Wood

These magnetic domains are:

• strongly magnetized

• slightly magnetized

• unmagnetized

• not enough information to tell

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The picture is an example of an:

• Electric grid

• Electromagnet

• Electric nail

• Electric power cell

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To make this electromagnet stronger you could:

• use less wire

• have fewer wire coils around the nail

• have more wire coils around the nail

• use a plastic core

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By using a battery with smaller voltage, the strength of the electromagnet will be decreased.

• True

• False

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When electric currents and magnetic fields interact we call this ________?

• magnetic force

• electromagnetism

• magnetic charge

• electric motors

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Consider 5 compasses placed around a bar magnet as shown in the figure. What compass needle in the figure correctly describes the magnet's magnetic field at that point?

• I

• II

• III

• IV

• V

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