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Electro

Electromagnetism

TermDefinition
Electrostatics Any charge that is held in place on an object. *Occurs best on good insulators
Static Electricity The build up of charges in a place. *See electrostatics.
Conduction The separation of charges by direct contact. The separation of charges results in the object becoming either positively or negatively charged.
Induction The separation of charges without contact. Charges are separated within the object making the object temporarily charged.
Coulomb's Law The force from a charge is directly proportional to the strength of the charge and inversely proportional to the distance squared. Distance has a greater affect than strength.
Electric Fields The field surrounding a charge that shows the influence on surrounding objects by the charged object.
Conductors Objects that are good at passing charges through their system (Copper)
Insulators Objects that are not good at passing charges. They store charges well. (rubber)
Electric Potential Potential caused by the distance between attractive charges
Magnetic Fields A field that surrounds a magnetic substance that shows the influence of the magnetic field on magnetic substances
Alternators/ Generators A coil of wire surrounds a magnet that rotates creating an electric charge
Electric Motors A magnet that surrounds a coil of wire that turns an apparatus turning electric energy into mechanical energy.
Created by: becook87
 

 



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