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Unit 3
Term | Definition |
---|---|
Electric charge | a property that leads to electromagnetic interactions |
static electricity | buildup of electric charge |
electrical conductor | a material through charges can move freeley |
electrical insulator | a material which charges can not move freely |
semiconductor | a special class of materials that conduct electricity better than electrical insulators |
electric current | the rate of flow of electric charge |
resistance | the opposition to the flow of charge |
voltage | the amount of work required to move each unit of charge |
electric circuit | a complete closed path through electrical charges can flow |
series circuit | all parts are connected in a row |
parallel circuit | electric charges have more than one path they can follow |
magnet | attracts iron or anything made of iron |
magnetic force | exert a push or pull |
magnetic pole | when two magnets push each other apart |
magnetic field | the area around a magnet where magnetic forces can be detected |
elecromagnetism | results when electric currents and magnetic fields interact with each other |
electromagnet | wrapping a solenoid around a iron core |