Exercise: Diodes And Applications

Questions for: Diodes And Applications

When a diode is destroyed it has infinite impedance. When damaged by heat it will probably:
A:
short
B:
conduct more
C:
conduct less
D:
open
Answer: A
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Providing a constant output regardless of ac input or load resistance changes is the function of a:
A:
transformer
B:
filter
C:
regulator
D:
rectifier
Answer: C
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The voltage where current may start to flow in a reverse-biased pn junction is called the
A:
breakdown voltage
B:
barrier potential
C:
forward voltage
D:
biasing voltage
Answer: A
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What is wrong with this circuit?

A:
The zener is open.
B:
The zener is shorted.
C:
nothing
D:
not enough data
Answer: A
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Which of the following circuits would require the least amount of filtering?
A:
A half-wave rectifier
B:
A full-wave rectifier
C:
A bridge rectifier
D:
A full-wave rectifier and a bridge rectifier
Answer: D
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