Vocabulary
What is an electric current that changes direction in a regular pattern
Alternating Current
What do the lines around the charged particles represent?
The electric field around the particles
The relationship between electricity and magnetism is called a(n) _______________
Electromagnet
Which transformer is a step up transformer
Transformer 1
Why are these two magnets touching
Poles that are unlike attract each other
A ______ is a material that attracts iron.
Magnet
What does the diagra showw about electric charge?
Charges that are the same repel each other
A ___________ consists of a charge that flows in only one direction
Direct Current
Which section of the circuit has the lease voltage?
Section C
How should poles "b" and "c" be labeled?
Pole b - South
Pole c - North
The area of a magnetic force around a magnet is called the magnet's __________________
Magnetic field
A particle in an atom that has a negative charge is a(n)
Electron
A magnet made from a material that keeps its magnetism for a long time is called a (n) ___________
Permanent magnet
Which section of the circuit has the greatest voltage?
Section A
What is a material that attracts iron and material that contain iron?
Magnet
A magnet that holds a magnetic field for a short period of time is a ___________________
Temporary magnet
When an atom has an equal number of protons and electrons, the charge of the atom is?
Neutral
What is a material that attracts iron and materials that contain iron
Magnet
What extends around any charged objects?
Electric Field
If you break a magnet in two, you get what?
One north magnet and one south magnet
A __________ consists of a charge that flows in only one direction
direct current
What extends around a charged object
Electric field
An _____________ is the continuous flow of electric charges through a material
Electric Current
What is a device that increases or decreases voltage?
Transformer
How should poles "b" and "c" be labeled?
Pole b should be labeled S, and pole "c" should be labeled N