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CRIntPhySciCh18Vocab
CRIntPhysSciChapter18Vocabulary
Question | Answer |
---|---|
one of two points, such that the ends of a magnet, that have opposing magnetic qualities | magnetic pole |
region where a magnetic force can be detected | magnetic field |
a coil of wire with an electric current in it | solenoid |
a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil | electromagnet |
a device that converts electrical energy into mechanical energy | electric motor |
an instrument that detects, measures, and determines the direction of a small electric current | galvanometer |
the process of creating a current in a circuit by changing a magnetic field | electromagnetic induction |
a machine that converts mechanical energy into electrical energy | generator |
an electric current that changes direction at regular intervals | alternating current |
a device that increases or decreases the voltage of alternating current | transformer |