Chapter 19

2. An electric device that automatically interrupts current via an internal metal element melting if a circuit is overloaded or a short occurs.
4. A photonic semiconductor device that produces light when energized by an electric current.
5. A material, such as silicon (often crystalline in structure), that acts as a conductor or insulator, depending on its operating condition and application.
6. Any device that can emit or detect light.
9. A field of electronics in which light carries data through small strands of plastic or glass fiber. Also, refers to cable that has light-carrying strands of plastic or glass.
12. A finned metal part installed in electronics to transfer damaging heat away from delicate electronic components.
13. An electric device that automatically interrupts current via an internal switch tripping if a circuit is overloaded or a short occurs. It resets itself when circuit conditions return to normal.
14. An electric component used to connect or disconnect the power supply in a circuit.

1. An electric device consisting of an iron core inside a coil of wire. Applying electricity to the coil causes the iron core to center itself in the coil and, as a result, exert a force on the object to which it is connected.
3. An accidental grounding of an electrical circuit or electrical device, causing a tremendous amount of current through the circuit or device.
7. An electric component installed in a circuit to lower voltage and current flow.
8. A semiconductor device that allows current flow in one direction, but resists it in the other.
10. A magnetically operated electric switch that enables low current in one circuit to control (close or open) a greater current flow in a second circuit.
11. A semiconductor device that can be used as an electronic signal switch or as a current amplifier.
13. An electric component that absorbs voltage spikes by storing electrons, or electrical energy, thus protecting other vehicle electrical equipment.