Magnet and Electromagnet

Front

What will happen when these magnets are brought close together?

Back

They will repel each other.

Front

Which of these will block a magnetic field?

• air
• paper
• a hand
• none of these

Back

none of these

Front

Major difference between electromagnets and permanent magnets?

Back

Electromagnets can be turned on and off, while permanent magnets are always producing magnetic fields.

Front

Unlike an electromagnet, a permanent magnet

Back

does not need electricity to work.

Front

Where is the strongest part of the magnetic field from a magnet found?

Back

magnet's poles

Front

Why is a substance considered magnetized?

Back

The domains are aligned.