Magnetism Flashcards
1
Q
Name of naturally magnetic ore
A
Magnitite
2
Q
Lines of force surrounding magnet
A
Lines of magnetic flux
3
Q
Direction of lines of flux
A
North to south
4
Q
2 commonly used magnets
A
Bar
Horse shoe
5
Q
2 like poles will
A
Repel eachother
6
Q
2 unlike poles will
A
Attract eachother
7
Q
3 materials when added to steel will produce stronger magnets
A
Aluminium
Nickel
Cobalt
8
Q
What is produced by conductor when current passed through
A
Magnetic field and heat
9
Q
Permanent, electro name 3rd way of making magnet
A
Rubbing permanent magnet on magnetic material
10
Q
3 requirements for magnetism to produce voltage by induction
A
Movement
Magnetic field
Conductor
