Electromagnetism and magnetism: made by Ruby Flashcards
1
Q
Which of the following are magnetic poles?
- North and south
- East and west
- Red and blue
A
North and South
2
Q
Which of the following is not a magnetic material?
- Steel
- Cobalt
- Aluminium
A
Aluminium
3
Q
What do two poles of the same type do when they are brought close together?
A
They repel
4
Q
What do two unlike poles do when they are brought close together?
A
They attract
5
Q
What is one difference between electromagnets and bar magnets?
A
Electromagnets need electricity but bar magnets do not
6
Q
How can we increase the strength of an
electromagnet?
A
Electromagnets need electricity but bar magnets do not
7
Q
Which of these doesn’t usually use an electromagnet?
- A compass
- A school bell
- A speaker
A
A compass
8
Q
What can we use to find the shape of a magnetic field?
- An electromagnet
- A coil of wire
- A compass
A
A compass
