Magnetic Fields Flashcards
1
Q
What is a magnetic field?
A
A force field surrounding a magnet or wire carrying an electric current.
2
Q
What do the field lines represent (Magnetic Fields)?
A
The path taken by a small “free North Pole”
3
Q
Describe the Motor Force.
A
If a current carrying wire is placed into a magnetic field then it feels a force.
This force acts:
Perpendicular to magnetic field lines.
Perpendicular to the direction of current.