click below
click below
Normal Size Small Size show me how
unit 3 sect. 1-4
| Term | Definition |
|---|---|
| electric charge | a property that leads to electromagnetic interactions between particles that make up matter |
| static electricity | the buildup of electric charge on an object |
| electrical conductor | a material through which charges can move freely |
| electrical insulator | a material through which charges cannot move easily |
| semiconductor | a special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors |
| electric current | the rate of flow of electric charges |
| voltage | the amount of work required to move each unit of charge between two pionts |
| resistance | the opposition to flow of electric charge |
| electric circuit | a complete closed path through which electric charges can flow |
| series circuit | circuit in which all parts are connected in a row that forms one path for electric charges to follow |
| parallel circuit | circuit in which electric charges have more than one path that they can follow |
| magnet | any material that attracts iron or materials containing iron |
| magnetic force | the force of attraction or repulsion generated by moving or spinning electric charges |
| magnetic pole | one of two points, such as the ends of the magnet |
| magnetic field | a region where a magnetic force can be detected |
| electromagnetism | the interaction between electricity and magnetism |
| electromagnet | a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil |