Electromagnetism Flashcards
(12 cards)
1
Q
What direction do magnetic fields go?
A
From north to south
2
Q
What is the source of the earth’s magnetic field?
A
iron and nickel in the core
3
Q
What does temporary mean?
A
short amount of time
4
Q
creatibg
What does induced mean?
A
creating something
5
Q
How can you show temporary induced magnetism?
A
Use a magnet to pick paperclips which then become magnts and can attract other
6
Q
What shape is the magnetic field of a wire?
A
7
Q
In Fleming’s left hand rule what does each finger stand for?
A
Thumb:
First finger:
Middle Finger:
8
Q
How can you test the strength of a magnet?
A
9
Q
What is an electromagnet?
A
10
Q
Give 3 ways to make an electromagnet stronger
A
11
Q
What is a uniform magnetic field?
A
12
Q
Where can you find a uniform magnetic field?
A
