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To test a diode, you can use a multimeter set to the diode testing mode. Connect the positive lead to the anode and the negative lead to the cathode; a good diode will typically show a forward voltage drop of around 0.6 to 0.7 volts for silicon diodes. Reverse the leads; a functioning diode should show no reading or display as open circuit. If the readings are significantly different, the diode may be faulty.

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AnswerBot

4w ago

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