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Science Vocab Ch 7
Term | Definition |
---|---|
Changing By Contact | transfer of electric charge between objects in contact |
Charging By Induction | rearrangment of electric charge due to the presence of an electric field |
Insulator | materials inwhich electric charges do not move easily |
Conductor | materials in which electric charges move easily |
Static Charge | the imbalance of electric charge on an object |
Electric Discharge | a movement of static charge from one place to another |
Electric Current | flow of electric charges |
Electric Circuit | closed path in which electric charges can flow |
Electric Resistances | measure of how difficult it is for electrons to flow in a object |
Voltage | measure of the amount of electrical energy transfered by an electric charge |
Series Circuit | devices are connected so there is only one closed path for for current to follow |
Parrallel Circuit | devices are conncted so there is more than one closed path for current to follow |
Magnetic Domain | a group of atoms that have their magnetic poles pointing in the same direction |
Electromagnetic | current carrying wire wrapped around an iron core |
Electromagnetic Induction | production of an electric current by moving a magnet and a keep relative to each other |