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Unit 7 Part 2
Term | Definition |
---|---|
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 a magnet, that have opposing magnetic qualities |
Magnetic Field | a region where a magnetic force can be detected |
Electromagnetism | the interaction between electricity and magnetism |
Solenoid | a coll of wire with an electric current in it |
Electromagnet | a coll that has a soft iron core and that acts as a magnet when an electric current is in the coil |
Electric motor | a device that converts electrical energy into mechanical energy |
Electromagnetic induction | the process of creating a current in a circuit by changing a magnetic field |
Transformer | a device that increases or deceases the voltage of alternating current |
Electric generator | a device that converts mechanical energy into electrical energy |
Kinetic energy | the energy of an object that is due to the object's motion |
Potential energy | the energy that an object has because of the position, condition, or chemical composition of the object |
Mechanical energy | the sum of an object's kinetic energy and potential energy due to gravity or elastic deformation; does not include cgemical energy or nuclear energy |