Share Electricity, Magnetism, and Electromagnetism OH
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How do you magnetize a nail?
Rubbing the nail on a magnet, make an electromagnet
What is the curved line around a magnet called?
magnetic field
Where is the magnetic force the strongest?
At the poles
An electric motor transforms what type of energy into what type of energy?
electric to mechanical
In a magnetized material, all or most of the magnetic domains are arranged in the ________ direction.
same
Any material that attracts iron and materials that contain iron are called?
magnet
The continuous flow of charges through a material is called what?
An electric current
In what type of circuit are the different parts on seperate branches?
Parallel
What happens if you break a magnet in half?
Each half will be a new magnet with a north and a south pole
What do the magnetic field lines around a bar magnet look like?
Spread out from one pole and curve around to another.
Earth's magnetic field can make a magnet out of an iron bar by causing the magnetic domains to
line up in the same direction
What causes a compass to behave as it does?
Earth's magnetic field
What happens when a wire with a current is placed in a magnetic field?
electrical energy is transformed into mechanical energy
A generator transforms what?
mechanical energy into electrical energy
A coil of wire with a current is called a what?
solenoid
What is a solenoid with a ferromagnetic core?
electromagnet
