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Electronics

Post Test - Electronics

QuestionAnswer
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).
Created by: SCullum
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