Across
- 4. Resistors designed to have two or more fixed values, available by connecting wires to the several taps of the resistor.
- 8. Electrical current that changes direction between positive and negative.
- 11. A force between two poles of opposite potential caused by the alignment of electrons.
- 12. In this type of circuit, there is more than one path for the current to follow.
- 15. A material that does not allow for good current flow.
- 20. A basic law of electricity expressing the relationship between current, resistance, and voltage in any electrical circuit. It states that the voltage in the circuit is equal to the current (in amperes) multiplied by the resistance (in ohms).
- 21. With reference to an automobile engine, usually the distance from the center of the crankshaft main bearing to the center of the connecting rod journal.
- 23. The unit for measuring electrical current; usually called an amp.
- 24. The number of electrons flowing past a given point in a given amount of time.
- 29. A resistor that allows for a change in resistance based on the physical movement of a control. The control can be moved by an individual or a component.
- 30. Basically, this wave is a circle drawn over time. It appears as a wave with equal positive and negative magnitudes and amplitudes.
- 31. A type of switch in which several circuits are controlled by moving one control or lever.
- 32. A wire that connects a component to the negative side of the battery through the vehicle’s chassis. The use of the ground wire eliminates the need to run a separate wire from the component to the negative terminal of the battery.
- 33. A heavy-duty circuit protection device that has the appearance of a large blade-type fuse.
- 36. A solid-state variable resistor made from semiconductor material that changes resistance in response to changes in temperature.
- 37. A type of fuse made of a special wire that melts to open a circuit when current draw is excessive.
- 38. A term used to describe the presence of a completed circuit between two points.
- 39. A variable resistor that acts as a circuit divider to provide accurate voltage drop reading in response to the movement of an object.
- 40. A technical name for voltage.
- 41. type of electrical power used in mobile applications. A unidirectional current of substantially constant value.
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- 1. A unit of measure of electric power.
- 2. A variable resistor that has fixed resistance values at specific points.
- 3. The opposition offered by a substance or body to the passage of electric current through it.
- 5. On an electrical switch, this term refers to the input circuit(s) to the switch.
- 6. A circuit protection device that opens when excessive current is present in its circuit.
- 7. A device that readily allows for current flow.
- 9. Pertaining to the control of systems or devices by the use of small electrical signals and various semiconductor devices and circuits.
- 10. Any device that provides an input to the computer.
- 13. A standard method of denoting the diameter of electrically conducting wire.
- 14. Voltage lost by the passage of electrical current through resistance.
- 16. An electrical circuit that has the characteristics of both a series and a parallel circuit.
- 17. A unit of measured electrical resistance.
- 18. The process of producing electricity through magnetism rather than direct flow through a conductor.
- 19. The common designation for a switch that has multiple throws and poles.
- 22. The use of the vehicle’s frame and/or body as a common connection to the negative terminal of a battery.
- 25. An electrical circuit that has a break in the wire.
- 26. An electrical circuit that has a completed path from the negative of the battery to the positive terminal.
- 27. An electrical circuit that only allows current to flow through one path.
- 28. A two-terminal variable resistor used to regulate electrical current.
- 29. Electrical pressure resulting from a difference in electrical potential at one point and another.
- 34. Refers to the operating resistance of a component or piece of equipment. The higher the impedance, the lower the operating amperage.
- 35. An electrical switching device that uses a low-current circuit to control a high-current circuit.