Electric Generators
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Part of the "A 3-D Demonstration" series. Looks at physics principles behind AC and DC generators. Examines the relationship between a changing magnetic field and the induction of electric current. A hand rule is introduced to predict the generator effect in a linear length of conductor exposed to a changing magnetic field. The behavior of a rotating coil in a magnetic field leads to the practical construction of an AC motor. Introduces split-ring commutator generators, as well as the more common alternator as a means of generating DC electricity. Specific modules include Generating Electricity, Inductors, Generator Left-Hand Rule, Generator Electromotive Rule, AC Generators, and DC Generators. Correlates to all National CTE Organizational Standards (including the provisions of the Perkins Act). Accessibility options on the DVD are: (1) expanded description, (2) English subtitles in a black box, (3) subtitled description.
Media Details
Runtime: 19 minutes 37 seconds
- Topic: Business, Science
- Subtopic: Electricity and Magnetism, Energy, Physics
- Grade/Interest Level: 10 - 12
- Standards:
- Release Year: 2007
- Producer/Distributor: Films Media Group
- Series: Electricity: A 3-D Animated Demonstration
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