Exercise: Diodes And Applications

Questions for: Diodes And Applications

If the frequency of the applied ac signal to a half-wave rectifier is 60 Hz, the frequency of the pulsating dc output will be
A:
30 pps
B:
60 pps
C:
90 pps
D:
120 pps
Answer: B
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With a 12 V supply, a silicon diode, and a 370-ohm resistor in series, what voltage will be dropped across the diode?
A:
0.3 V
B:
0.7 V
C:
0.9 V
D:
1.4 V
Answer: B
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Rectifier output polarity depends upon:
A:
cycles of input
B:
capacitor polarity
C:
half or full wave
D:
diode installation
Answer: D
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A characteristic curve is the result of a current versus voltage plot of diode activity, which begins at the:
A:
3rd quadrant
B:
current plot
C:
graph origin
D:
voltage plot
Answer: C
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With full-wave rectification, current through the load resistor must be:
A:
in opposite directions
B:
to the external load
C:
from the reverse biased diode
D:
in the same direction
Answer: D
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