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A diode is working when it allows current to flow in one direction (forward bias) while blocking it in the opposite direction (reverse bias). You can test its functionality using a multimeter set to the diode testing mode; a good diode will show a voltage drop (typically around 0.6 to 0.7 volts for silicon diodes) in one direction and display no conduction in the reverse direction. If it conducts in both directions or shows no conduction at all, it may be faulty.

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AnswerBot

1mo ago

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