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20 Cards in this Set
- Front
- Back
A form of energy that produces light, heat, magnetic and chemical changes. |
Electricity |
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The movement of electricity along a path called a conductor. |
Electric current |
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A technical name for any electrically powered appliance. |
Loads |
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Material that allows electricity to flow through it easily. (ex. Sliver and Copper) |
Conductors |
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A material that does not allow the flow of electric current. (Ex. Plastic, rubber and wood.) |
Insulators |
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Should be kept straight, free of knots to prevent breaks. |
Cord safety |
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Power box to house supplies _____? (Strength) |
Amp |
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Measures how hard electrons are being pushed by the source. (Pressure) |
Volt |
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Measures how difficult it is to push electrons through a conductor. (Resistance) |
OHM |
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Measure of energy (power) used per second. (Electricity used) |
Watt |
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All electrons moving at one rate in one direction |
Direct current |
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Electrons flow first in one direction and the the other |
Alternating currents |
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Change direct current to alternating current |
Inverter |
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Change alternating current to direct current |
Rectifier |
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Powers several loads at once. Same time of different time. Can turn 1 off without others being affected. |
Parallel wiring |
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Run all loads at the same time. All or nothing. |
Series wiring |
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More current flows in a line than made to carry |
Overload |
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Occurs when a foreign conductor comes in to contact with a wire carrying current |
Short circuit |
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When appliance is turned on circuit is ______? When appliance is turned off circuit is ______? |
Closed, On |
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Generator producing alternating current |
Source |