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19 Cards in this Set
- Front
- Back
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Electric Shock |
When electricity passes through the body |
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Resisters |
Controls voltage and current |
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Ohm |
Unit of measure for resistor |
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Types of resistors |
Fixed value & Variable value |
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Fixed Value |
General purpose, power, precision |
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General Purpose |
Carbon film and carbon composition (color bands) |
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Power |
Wire wound, control large amount of current, value printed |
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Precision |
Metal film, exact values of resistance, code printed |
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Variable Value |
Potentiometers and Rheostats |
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Potentiometers |
Carbon composition, used when circuit current is low |
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Rheostats |
Wire wound, used when circuit current is high |
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Switch |
Used to open and close current paths |
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Circuit Breakers |
Used to monitor amount of current that can be carried, automatically open or break the circuit |
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Fuses |
Designed to melt when too much current flows |
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Fuses |
Designed to melt when too much current flows |
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Power Rating |
Indicates amount of heat a resistor can dissipate (give off) |
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Fuses |
Designed to melt when too much current flows |
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Power Rating |
Indicates amount of heat a resistor can dissipate (give off) |
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Tolerance |
Amount that the actual ohm value of resistor can be different from the indicated value, a percent of the indicated value |
