Electromagnetism Flashcards
1
Q
What is a magnetic field?
A
The region where a magnetic force is exerted on a conductor, a magnet or an electric charge
2
Q
What are ferromagnetic materials?
A
Materials that are easily magnetized and retain their magnetism
3
Q
What is magnetic flux?
A
The number of field lines that pass through an area
4
Q
What is magnetic flux density?
A
The measure of the concentration of field lines within a region or area
5
Q
What is permeability?
A
A measure of a material’s ability to become magnetized when places in a magnetic field