click below
click below
Normal Size Small Size show me how
Sasser S8P5c EQ4
Physical Science
Term | Definition |
---|---|
exert | as to put forth or into use with great energy |
magnet | a piece of iron (or an ore, alloy, or other material) that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field |
electric currnet | is a flow of electric charge. |
motor | a machine, especially one powered by electricity or internal combustion, that supplies motive power for a vehicle or for some other device with moving parts |
generator | a dynamo or similar machine for converting mechanical energy into electricity |
iron core | is normally a complete ring with two coils wound on it. One is connected to a source of electrical power and is called the 'primary coil'; the other supplies the power to a load and is called the 'secondary coil' |
elctromagnet | a soft metal core made into a magnet by the passage of electric current through a coil surrounding it |
magnetic field | a region around a magnetic material or a moving electric charge within which the force of magnetism acts |