What are magnetic fields? - OCR 21C

1

How many poles does a bar magnet have?

2

Which combination of magnetic poles will repel each other?

3

Which of these is a magnetic material?

4

What happens to an induced magnet when it leaves the magnetic field?

5

What is the test for a permanent magnet?

6

Where is a magnetic field strongest?

7

In which direction are the arrows on a magnetic field line?

8

Why does the Earth have a magnetic field?

9

What instrument can be used to map a magnetic field?

10

How do headphones generate sounds? - Higher