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Unit 3
electromagnetism and electromagnet
Term | Definition |
---|---|
electric charge | a property that leads to electromagnetic charge. |
static electricity | build up on electrical power |
electrical condutor | material through which charges can move freely |
electrical insulator | material through which charges cannot move easily |
semiconductor | special class of materials that conduct better electric charge than electical |
electric current | the rate of flow of electric charges. |
resistance | the opposition to the flow of electric charge. |
voltage | the amount of work required to move each unit of charge between two points. |
electric circuit | a complete, closed path through which electric charges can flow. |
series circuit | all part are connected in a row that forms one path for the electric charge to follow. |
parallel circuit | electric charges have more than one path that they can follow. |