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19 Cards in this Set
- Front
- Back
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Like charges |
Repel each other. |
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Impedance is: |
Opposition to alternating current flow. |
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Current flow is: |
The flow of electrons in the circuit |
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A conductor |
Any material that will readily release electrons is called: |
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Silicon |
Semi-conductors are made of? |
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I |
The symbol for current is: |
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The ground wire is usually color coded: |
GREEN |
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An electron has a |
negative charge |
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Opposition to current flow |
Resistance OHM's |
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ohmmeter |
uses its internal power to check a load or circuit |
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volts X amps= |
WATTS |
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In electrical wiring, a black colored wire usually indicates: |
HOT CONDUCTOR |
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What is the input side of a transformer called |
PRIMARY |
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what is the output side of a transformer called |
SECONDARY |
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A fuse is sized to protect the |
Wire in the ciruit |
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One horsepower is equal to |
3.415 watts |
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2.1KW |
2100 Watts |
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The electric meter on a house measures |
amps passing through it. |
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Three phase loads require a minimum of _______ wires and a ground to operate. |
Three wires |
