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ACT CH19
| Term | Definition |
|---|---|
| atom | consists of protons |
| bound electrons | In some atoms |
| insulator | When the majority of atoms in a material contain bound electrons |
| free electrons | In most atoms |
| conductors | Materials made up primarily of atoms with free electrons |
| series circuit | An electrical circuit with only one path for electrons to flow through is called a ___________________________. |
| parallel circuit | has more than one path for the electricity to flow through |
| series-parallel circuit | have some electrical devices connected in a series and others connected in parallel. |
| ground | In an automobile |
| open circuit | A broken wire causes an _________________ |
| short circuit | or short |
| switch | is used to turn on and off the flow of electricty |
| relay | is a magnetic switch that uses a low-voltage signal from a remote location to control and on-and-off operation of a high-voltage circuit. |
| fusible link | is a wire that is sensitive to excessive current |
| circuit breaker | also stops excessive current flow |
| battery | along with the charging system |
| alternator | produces electricity to recharge the batter and provide electricity to various vehicle systems when the engine is running |
| sealed beam | a type of headlight held in place with a retaining ring that fits around the headlight |
| replaceable bulb | A bulb |
| aiming screws | The headlight mounting bracket is bolted to a mounting panel with ___________________________. ____________________ are used to properly position the headlight. |
| aiming | positioning is called _____________________. By _________ the headlights |
| taillights | have three functions: illumination |
| Interior lights | are not commonly damaged in a collision; however |
| clockspring | a coil that retracts and expands inside its housing as the steeling wheel turns |
| power window system | consists of a switch |
| power lock door system | uses solenoids to lock or unlock the vehicle's doors. |
| power seat system | uses electric motors to move the seat |
| power mirror system | has two motors: one to adjust the left and right positions |
| power sunroof system | has a motor |
| power antenna system | consists of a telescoping antenna |
| rear defroster/demister system | consists of a conductor grid on the inside of the rear window glass |
| nonpowered test light | consists of a probe connected to a 12V bulb and ground wire |
| self-powered test light | often called a continuity tester does not need the vehicle battery for power. |
| jumper wire | the length of a wire with an alligator clip at each end |
| turn signal lamps | are located on the bumper |
| wiring harness | a collection of primary wires encased in a protective sleeve; provides an electrical pathway connecting electrical components throughout the vehicle |
Created by:
cvis
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