Magnetic Poles
Magnetic Fields
Electro Magnet
Superconductors
100
What are the 2 poles on a Magnet?
North and South
100
What is a Magnetic Field?
Area around a magnet where forces act
100
What is a electro magnetic field?
A field force that consisists of both electric and magnetic components
100
What is a Superconductor?
A material that has no electrical resistance
200
Like poles ________?
Repel
200
True or False: Mechanical energy produces electrical energy
True!
200
How do you increase the strength of an electro magnetic fields?
add coils
200
At what temperature is a superconductor made?
absolute zero
300
Unlike poles ________?
attract
300
Which way does force of attraction tavel? South to North or North to South?
North to South
300
Who discovered electro magnetic induction?
Michael Faraday
300
Liquid nitrogen
What is an effective way to lower an objects temperature and make it into a superconductor?
400
In what direction does a compass meter always point?
North
400
What is a Soleriod?
coil of current carrying a wire that produces a metallic field
400
What is a Generator
produces electric current by rotating a loop of wire in a magnetic field
400
Would copper and silver be considered a conductor?
Yes
500
What is a Electromagnet?
a temporary magnet
500
Who discovered Electromagnetic Induction?
Michael Faraday
500
What is a Electro Magnet?
a temporary magnet
500
Can any item be made into a superconductor?
No
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