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Electromagatism 1
a study of vocabulary terms
Question | Answer |
---|---|
Armature | the rotating part of the motor |
Attract | to draw objects to one another, such as unlike poles of magnets or electromagnets. |
Battery | a group of two or more cells connected together, usually in a series, to furnish electrical current |
Brushes | the contacts between the armature and the source of power in a motor. As the armature turns, the brushes cause the polarity of the armature to change, keeping the motor running smoothly |
Cell | a single unit used to generate or store electrical energy. Commonly called a battery. |
Compass | a device for finding direction, consisting of a magnetized needle which is free to turn in response to the magnetic field of the earth. |
Electromagnet | a magnet formed when a wire carrying electricity is wrapped around an iron or steel core. |