Magnetism Flashcards by Senali Jayathilake

Q

Describe the structure of a magnet.

A

North and South poles

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Q

All magnets produce what?

A

Magnetic Field

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Q

Where is the field strongest?

A

Near the poles

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Q

How can we see the effects of the field?

A

-Current flowing, copper wire around iron core
-Compasses

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Q

Why do we use electromagnets?

A

It can be turned off

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Q

How does the distance affect field strength?

A

Further away, weaker

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Q

How can you increase the strength?

A

More current, more coils, bigger core

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Q

How can you test the strength?

A

Change 1 factor + count items picked up

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Q

Draw a diagram of a bar magnet.

A

correct lines
correct labels
correct arrows

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