How to demagnetize a magnet with heat

Solutions to Magnetism I Multiple Choice

1. Which substances are attracted to a magnet?
Iron, nickel, cobalt.

2. What are the two poles of the magnet called?
North Pole and South Pole.

3. is it possible to make a single magnetic pole?
No

4. How can you tell which is the north pole of a magnet?
The magnet is rotatably hung on a thread.

5. Which magnetic poles attract each other?
Unequal poles.

6. What happens if you break a magnet in two?
You now have two magnets.

7. How do you magnetize a screwdriver?
xBy stroking it several times with a magnet.

8. What happens to the elementary magnets when a non-magnetic piece of steel is magnetized?
All elementary magnets align.


You can find the tasks here

and here one Overview of other articles on the topic of electricity, heat and magnetism,it also contains links to tasks.


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