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This electronics video tutorial explains how to calculate the power dissipation in resistors, diodes, and LEDs or light emitting diodes. The power dissipated in a diode is equal to the voltage across it multiplied by the electric current flowing through it.

What Is a Diode?


Full-Wave Bridge Rectifiers:


Voltage Multiplier Circuit:


Light Emitting Diodes:


Power Dissipation In LEDs & Diodes:


LED Resistor Value:


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Potentiometers - Variable Resistance:


LED Dimmer Circuit:


Thermistors - Temperature Sensors:


Zener Diodes:


Voltage Regulators - Zener Diodes:


Zener Diode Solar Cell:


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Power Zener Diodes - Voltage Regulation:


12V LED Battery Level Indicator:


Reverse Polarity Circuit Protection:


High Voltage Surge Protection Circuit:


AC DC Polarity Tester Circuit:


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DC to AC Reverse Polarity Circuit:


Varactor Diodes - Voltage Capacitors:


Final Exams and Video Playlists:


Full-Length Videos and Worksheets:

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