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22-23 unite 7
lessons 4,5 and 6
| Term | Definition |
|---|---|
| magnet | any material that atracts iron or materials containing iron (446) |
| magnetic force | the force of atraction or repultion genorated by moveing or spining electric charges (446) |
| magnetic pole | one of two points, such as the ends of a magnet, that have oposing magnetic qualities (447) |
| magnetic feild | a reigion where a magnetic force can be detected (447) |
| electromagnetisisom | the interaction between electrisity and magnetisom (456) |
| solenoid | a coil of wire with an electric current in it (457) |
| electro magnet | a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil (457) |
| electric motor | a divice that converts electerical energy into mechanical energy (460) |
| electromagnetic induction | the prosess of creating a current in a circut by changing a magnetic field (462) |
| transformer | a divice that increases or decreasis the voltige of alternating current (463) |
| electric genorater | a divice that converts mechanical energy into electrical energy (464) |
| kinetic energy | the energy of an object that is due to the objects motion (474) |
| potentail energy | the energy that an object has because of the position, condition, or chemical composition of the object (476) |
| mechanical energy | the sum of an objects kinetic energy and potentail energy due to gravity or elastic deformation; does not include chemical energy or nuclear energy (478) |
Created by:
md.20216