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Diodes and Applications
Dark current is a small reverse current that flows in a photodiode that is receiving no light.
True
False
Correct Answer:
True
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Diodes and Applications
A rectifying diode can change ac voltage to dc voltage.
The positive lead of a diode is the cathode.
A reverse biased diode will act as an open switch.
Doping semiconductive material is the process of putting a small amount of pentavalent or trivalent atoms in with tetravalent atoms.
The barrier potential is the small difference of potential created by positive and negative ions on either side of the depletion region.
If a bridge rectifier is used, it is not necessary to use a transformer.
A common problem with rectifiers is open diodes.
Reverse biasing a pn junction allows the flow of majority current.
Breakdown voltage and peak inverse voltage are the same.
A diode can be tested with an ohmmeter.
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