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20 Cards in this Set
- Front
- Back
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Electricity
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Form of energy that produces light, heat, magnetic and chemical changes.
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Electrons
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Tiny NEGATIVELY charged particles. |
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Current.
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Flow of electrons along a path called a conductor.
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Load
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Electrically powered appliances. |
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Conductors.
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Material that best transports electricity, such as copper, silver, carbon, water containing ions.
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Insulators.
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Material that does not allow a current to pass through it, such as wood, plastic, and rubber.
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Cord Safety.
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Cords on appliances should be kept straight and free of kinks and tangles to prevent breaks in the cord.
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Amp
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Amp rating is the number of electrons flowing on a line, it is strength. |
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Volt.
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Measures how hard electrons are pushed by the source.
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OHM
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Measures how hard it is to push electrons through a conductor. |
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Watt
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Is the amount of energy used. |
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Hertz
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The frequency of the number of cycles per second.
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Converter
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Changes direct current to alternating current.
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Direct Current
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Electrons move at an even rate in only one direction.
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Alternating Current
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Electrons flow first in one direction and then the other. |
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Rectifier.
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Changes alternating current to the direct current.
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Sources of Electricity
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Generator and Battery
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Circut
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Closed path through which electrons travel to operate an appliance.
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Parallel Wiring
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Powers several loads at once or different times, install parallel wiring in a salon. |
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Series Wiring
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runs all loads at the same time, circuit travels from one load to the next.
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