Magnetism + Electromagnetism Flashcards
1
Q
What is the magnetic field?
A
The region around a magnet where force acts on another magnet / magnetic material
2
Q
The strength of a magnetic field depends on…
A
The distance from the magnet
3
Q
What is electromagnetism?
A
When a current flows through a conducting wire, a magnetic field is produced around a wire
4
Q
What is a solenoid?
A
A coil of wire used to produce a magnetic field
5
Q
What is a solenoid with an iron core?
A
An electromagnet
6
Q
What are the poles of a magnet?
A
North and South
7
Q
What is a permanent magnet?
A
A magnet that produces its own magnetic field
8
Q
What is an induced magnet?
A
Where a material only becomes magnetic when placed in a magnetic field