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10 Cards in this Set
- Front
- Back
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Air is a (poor/good) conductor of electricity.
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poor
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_____ _____ is the movement of electrons in an electron current.
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Current electricity
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What are some examples of current electricity being used?
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lights in your home, appliances
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Name the two types of current electricity:
1 2 |
1. DC-flows in one direction
2. AC -flows one way then the other way |
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What are some examples of direct current (DC)?
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battery power devices, computers
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What are some examples of alternative current (AC)?
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commom household current
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___ ____ observed a dissected frog's leg twitching, and said it was "animal electricity".
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Luigi Galvani
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___ ____ discovered that the frog's leg moved because of the moist metal (by chemical action).
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Alessandro Volta
(where the electrical term Volt comes from) |
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____ constructed the first battery.
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Volta
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What did the research on current electricity produce?
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The groundwork for radio, radar, televisioin and early computers.
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