P4.1: Magnets And Magnetic Field Flashcards
(5 cards)
1
Q
What are the 2 poles of a magnet?
A
North
South
2
Q
Whic direction do magnetic field lines point to?
A
North to south
3
Q
How can the strength of magnetic field be measured in?
A
Magnetic flux density
Teslas
4
Q
How can you illustrate the magnetic field patterns of a magnet?
A
Iron filings align themselves with the field lines
5
Q
What is the difference between a permanent and induced magnet?
A
An induced magnet will usually lose their magnetism once the magnet has been moved away