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16 Cards in this Set
- Front
- Back
Wiring diagrams |
Most of the electrical drawing that you use during your apprenticeship will be a wiring diagrams |
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Variable resistor |
Has a moveable contact that is adjusted by turning a shaft or a stem |
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A rheostat |
Is a variable resistor that use 2 leads |
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Pictorial drawing |
Is often used to show the actual appearance and relationship of components |
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Schematic drawing |
Is often used to show the electoral relationship of components for the follow the path of electricity to the circuit |
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A multimeter |
Should always be placed on the highest scale before taking the voltage reading in a circuit |
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Electricity originates from a phenomenon |
The results when they negatively charged particle electron interacts with a positively charged particle called proton |
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The third band |
On a standard resistor typically indicates the multiplier |
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A multimeter |
Must be placed in the series with a component any order to measure the current through the component |
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Tolerance band |
On a resistor is a brown in color indicates a tolerance of 1% |
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The positively charged particle of an atom |
Proton |
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And electrical insulator |
Is generally made from a material that is seven or eight electrons in its outer shell |
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What is the difference between a secondary battery cell in a primary battery cell |
Is that a secondary cell is a rechargeable cell |
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Which method or action cannot be used To produce electrical current |
Heat light magnetism vacuum |
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The resistance of a conductor |
Is inversely proportional to its cross-section area |
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Front (Term) |
Battery symbol |