DC Generators and Motors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 1. An electrical generator is a device that converts ___ energy into ___ energy | show 🗑
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| show | Faraday
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| show | one, both
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| 4. Inducing a voltage into a conductor by passing it through a magnetic field is called ___ | show 🗑
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| show | motion
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| 6. In order to induce one volt into a single conductor, ___ lines of flux must be cut in ___ | show 🗑
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| 7. The ___ makes up all non-rotating electrical parts of a generator or motor | show 🗑
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| show | zero
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| show | loops
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| show | magnetic field, speed ( answer given??) (I think) number of loops (page 213
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| 11. What are some sources of mechanical energy used to turn the rotor of a generator | show 🗑
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| 12. Which of the sources of mechanical energy must be converted into another form in order to turn the rotor | show 🗑
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| show | electromagnetic induction
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| 14. Electrical generators produce __ voltage | show 🗑
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| 15. How is the voltage removed from an AC generator and applied to an external circuit | show 🗑
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| 16. In DC machines a ___ is used instead of slip rings | show 🗑
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| show | AC, DC
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| 18. What rule relates motion, direction of magnetic field, and direction of current flow for electromagnetic induction | show 🗑
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| 19. Applying the rule stated in question18, the middle finger indicates the direction of __- induced into the ___ | show 🗑
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| 20. Electromagnetic induction can also be accomplished by moving a ___ across a ___ | show 🗑
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| show | pulsates AC to look like DC
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| 22. How much voltage is indued into the loop at the 1/2 turn or 180 degree position of the rotation | show 🗑
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| 23. At what point(s) in the rotation of the armature is the maximum positive voltage induced | show 🗑
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| show | 270
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| show | V = wb/1
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| show | rotor, stator
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| show | rotor
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| show | one
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Created by:
JoshHampton