Magnetism Flashcards
What is a magnet ?
It produces its own magnetic field
What is magnetic object ?
It responds to a magnetic field
What do magnets do ?
- repel and attract other magnets
* attract magnetic substances
When in a magnetic field, a magnetic material becomes…
A magnet
What are hard magnets ?
They are permeant magnets; they maintain their magnetism in the absence of a magnetic field
What are soft magnets ?
They are non-permanent magnets; they become demagnetised when they are outside of a magnetic field
What do magnetic field lines show ?
The direction that a magnet would point, where it is placed at that point in the field
What direction do magnetic field lines go ?
North to south
What does a diagram of two attracting magnets look like ?
There magnets field lines between them are parallel and evenly spaced
What does a diagram of two repelling magnets look like ?
Their field lines are trying not to cross