P4.1 Flashcards
1
Q
define a magnetic field
A
the space around a magnet where another magnetic material experiences a force
2
Q
what do like poles do
A
repel
3
Q
what is a permanent magnet
A
a permanent magnet produces its own electric field
4
Q
what is induced magnetism
A
a material that becomes a magnet in a magnetic field
5
Q
list 4 magnetic materials
A
iron, nickel, cobalt, steel
6
Q
how can you strengthen the magnetic field of a solenoid
A
increase current
increase number of coils
add an iron core inside the solenoid
7
Q
what is a solenoid
A
a solenoid is a current carrying wore that acts as an electromagnet when current floes through to create an electric field
8
Q
draw the magnetic field around a solenoid
A
.
