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8 questions
How many poles are there?
2
4
1
2 1/2
What are the two magnetic poles?
North
East
South
West
Like charges ( ) and opposite charges ( ).
Attract; Repel
Repel; Attract
When different materials are rubbed together, electrons can't be transferred from one material to the other.
True
False
current is measured by...
Ohms
Amps
Volts
Current
What is this
magnetic field
current
energy
force
Some magnets are permanent.
True
False
What does an insulator do?
Block the flow of electrons
Spread the flow of electons
Divide the electrons
Speed up the electrons
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