Diode - Lets current flow in one direction only, Zener Diode - Used in reverse bias, DIAC & TRIAC - Used together in dimmer switches, Photo diode - Lets current flow in one direction when light shines on it, Light emitting diode - When in foward bias, current flows and light is given out, Resistor - Resists/reduces the current, Thermistor - Resistance varies depending on temperature of surroundings, Variable resistor - Resistance can be varied by adjusting control knob, LDR (Light Dependant Resistor) - Resistance varies depending on the amount of light shining on it, Transistor - Used in amplifier or switching circuits, Thyristor - Used in high power switching ,

Electronic Components: Brief Descriptions

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