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Published byΖαχαρίας Χατζηιωάννου Modified over 6 years ago
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RESISTORS A resistor is used to reduce the flow of electricity in an electric circuit. Resistorscome in fixed or variable types.
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A fixed resistor cannot be changed as it is set at a specific value
FIXED RESISTORS
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Variable resistors also known as rheostats can have their resistance changed by moving a slider.
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•. Thermistors are resistors whose resistance changes with temperature
• Thermistors are resistors whose resistance changes with temperature. The higher the temperature, the lower the resistance. THERMISTOR
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LIGHT DEPENDANT RESISTOR LDR
An LDR is a component that has a (variable) resistance that changes with the light intensity that falls upon it. LIGHT DEPENDANT RESISTOR LDR
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A diode is an electrical device allowing current to move through it in one direction with far greater ease than in the other. DIODE
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LIGHT EMITTING DIODE LED
A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. LIGHT EMITTING DIODE LED
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