Exercise: Semiconductor Diodes

Questions for: Semiconductor Diodes

The ________ diode model is employed most frequently in the analysis of electronic systems.
A:
ideal device
B:
simplified
C:
piecewise-linear
D:
Answer: B
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What is the maximum power rating for LEDs?
A:
150 mW
B:
500 mW
C:
1 W
D:
10 W
Answer: A
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Determine the nominal voltage for the Zener diode at a temperature of 120° C if the nominal voltage is 5.1 volts at 25° C and the temperature coefficient is 0.05%/° C.
A:
4.6 V
B:
4.86 V
C:
5.1 V
D:
5.34 V
Answer: D
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In general, LEDs operate at voltage levels from ________ V to ________ V.
A:
1.0, 3.0
B:
1.7, 3.3
C:
0.5, 4.0
D:
None of the above
Answer: B
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Calculate the temperature coefficient in %/° C of a 10-V nominal Zener diode at 25° C if the nominal voltage is 10.2 V at 100° C.
A:
0.0238
B:
0.0251
C:
0.0267
D:
0.0321
Answer: C
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