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Unit 3 lesson1-5
| Term | Definition |
|---|---|
| electric charge | A fundamental property that leads to the electromagnetic interactions. |
| static electricity | electric charge at rest |
| electrical conductor | A material in which charges can move freely |
| electrical insulator | cannot move freely |
| semiconductor | an element or compound that conducts electric that conducts |
| electric current | the rate at which electric charges pass a given point |
| resistance | The opposition presented to the current by a material or device |
| voltage | amount of the work |
| electric circuit | more complete paths for the movement of charges |
| series circuit | a circuit in which the parts are joined one after another such that the current part is the same |
| parallel circuit | The parts are joined in branches such that the voltage across each part |
| magnet | any material that attracts iron or materials containing iron |
| magnetic force | the force of attrcation spinning electric charges |
| magnetic pole | one or two points such as the end of a magnet |
| magnetic field | a region where a magnetic force |
| eletromagnetism | the interaction between electricty and magnetism |
| solenoid | a coil of wire with an electric current it |
| eletromagnetic | a coil that has a soft iron core and that acts as a magenetic |
| electric motor | a device that convents eletrical energy into mechanical energy |
| electromagnetic induction | The process of creating a current in a circuit by changing a magnetic field |
| transformer | a device that increase or decreases the voltage |
| electric generator | a device that converts mechanical energy |