Exercise: Semiconductor Diodes

Questions for: Semiconductor Diodes

At what kind of operating frequency diffusion or transition is a capacitor represented in parallel with the ideal diode?
A:
Low frequency
B:
Moderate frequency
C:
Mid frequency
D:
Very high frequency
Answer: D
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What is the range of the operating voltage level for LEDs?
A:
5–12 mV
B:
1.7–3.3 V
C:
5–12 V
D:
20–25 V
Answer: B
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Determining rd to a high degree of accuracy from a characteristic curve is very accurate.
A:
True
B:
False
C:
D:
Answer: B
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In which of the following color(s) is (are) LEDs presently available?
A:
Yellow
B:
White
C:
Orange
D:
All of the above
Answer: D
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The diffused impurities with ________ valence electrons are called donor atoms.
A:
4
B:
3
C:
5
D:
0
Answer: C
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