Magnets
Things and Magnets
Electricity and Magnets
Vocab
Random Words
100
A region in a magnetic material in which the magnetic fields of the atoms all point in the same direction.
What is Magnetic Domain
100
a device that uses an electromagnet to measure electric current.
What is Galvanometer?
100
An electric current that flows in one direction.
What is direct current?
100
A shaft with a set of blades that spins when a stream of pressurized fluids strikes the blades.
What is a turbine?
100
A force of attraction or repulsion between the poles of 2 magnets.
What is a magnetic force?
200
The place on a magnet where the force exerted is the strongest.
What are Magnetic Poles
200
The needle of this is a small magnet.
What is a compass?
200
An electric current that changes direction in a regular pattern.
What is alternating current?
200
A switch that regularly reverses the current in some motors.
What is a commutator?
200
A place on a magnet with a force it applies is strongest.
What is a magnetic pole?
300
A magnet that keeps its magnetism after being remove a magnetic field.
What is a permanet magnet.
300
A device used to increase or decrease the voltage of a current in a powerline.
What is a transformer?
300
A device that uses a magnetic field to transform mechanical energy to electric energy.
What is a electric generator?
300
A magnet created by wrapping a current-carrying wire around a ferromagnetic core.
What is a electromagnet?
300
These are forms when light forms shimmering sheets of color.
What are auroras?
400
Any object that attracts metal iron.
What is a magnet?
400
A machine that changes electrical energy to mechanical energy.
What is a motor?
400
Magnetic fields can produce this.
What is a electric current?
400
A magnet that quickly loses its magnetic field after being removed from a magnetic field.
What is a temporary magnet?
400
This invisible thing sorrounds all magnets.
What is a magnetic fiel?
500
The properties and interactions of magnets are referred to as this.
What is magnetism?
500
The process by which moving a wire through a magnetic field produces a electric current.
What is electromagnetic induction?
500
Current flows in a wire loop of a magnet if the magnet is out side the wire loop, as long as the magnetic field inside the loop is doing what?
What is changing?
500
These are elements, including iron, nickel, and cobalt, that have an especially strong attraction to magnets.
What is a ferromagnetic elements?
500
When the magnet in a wire loop does this, no current flows in the circuit.
What is Stops Moving?
M
e
n
u