Permanent + Induced Magnets Flashcards
1
Q
what is a magnetic material?
A
an object or material that can be manipulated by a magnetic current and has potential to become a magnet
2
Q
what are 4 magnetic materials?
A
iron
nickel
cobalt
steel
3
Q
what are permanent magnet?
A
a magnet that produces a magnetic field at all times
4
Q
how does the force between a permanent and induced magnet act?
A
always attracted
5
Q
what is meant by the term magnetically soft?
A
when an induced magnet loses its magnistim quickly
6
Q
what is meant by the term magnetically hard?
A
when an induced magnet loses its magnitism slowly
7
Q
give an example of a magnetically soft and hard magnet
A
hard - steel
soft - iron
