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Electronics
Post Test - Electronics
Question | Answer |
---|---|
Electronics | Study of how small electric currents are controlled to make all kinds of electronic equipment work. |
Electric Current | A drift of microscopic particles called electrons along a piece of wire |
Conductors | Substances in which electrons move easily. |
Circuit | A pathway along which electric current can flow. |
Diagram | A map from which an electrical or electronic circuit can be built. |
Transistor | An electrical device which can switch the current on and off. |
Light-Emitting Diode (LED) | A special diode that emits light when current flows through it. |
Photocell | A resistor that varies its internal resistance according to the intensity of the light that hits its surface. |
Capacitor | Acts as a temporary battery for storing electricity |
Intergrated Circuit (IC) | Has several components condensed or etched in a small package (chip). |