Magnets 1
Like charges ______
Repel
An _____ is a magnet that consists of a solenoid wrapped around an iron core.
Any material that attracts iron or materials containing iron is called a ______.
magnet
Three most common magnetic metals are iron, nickel, and ____________
Cobalt
Opposite Charges ________
Attract
The Earth's _________ pole is located at geographic North
South
The force of repulsion or attraction between the poles of magnets is called ______.
Magnetic Force
As the distance between magnets increase, the force between them ______________
increases (exponentially)
A _________ exists in the region around a magnet in which magnetic forces can act.
Magnetic Fields
This unit for magnetic field strength is named after a scientist, who also has a car company named after him
Tesla
The parts of a magnet where the magnetic effects are the strongest are called.
Poles
The ability to cause change and do work
Energy
_____ is the interaction between electricity and magnetism.
Electromagnetism
________ is the unit for magnetic field strength (symbol is B)
Gauss
True or False: If you split a magnet in half you would have a magnet with a south and north pole.
True
A push or pull
A ____ is a coil of wire that produces a magnetic field when carrying an electric current.
Solenoid
All matter is composed of ____
Atoms
True or False: Like charges attract
False
The process of creating a current in a circuit by changing a magnetic field.
Electromagnetic Induction