Diodes and application interview questions

6.
When matching polarity connections have been made and the potential difference (PD) is above 0.7 V, the diode is considered to be:

A. not working
B. forward biased
C. reverse biased
D. an open switch
Answer & Explanation
Answer: Option B

Explanation:

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7.
In a power supply diagram, which block indicates a smooth dc output?

A. transformer B. filter
C. rectifier D. regulator
Answer & Explanation
Answer: Option D

Explanation:

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8.
If a 169.7 V half-wave peak has an average voltage of 54 V, what is the average of two full-wave peaks?

A. 119.9 V
B. 108.0 V
C. 115.7 V
D. 339.4 V
Answer & Explanation
Answer: Option B

Explanation:

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9.
What is the current through the LED?

A. 0 mA
B. 23 mA
C. 18 mA
D. 13 mA
Answer & Explanation
Answer: Option D

Explanation:

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10.
The characteristic curve for the complex model of a silicon diode shows that

A. the barrier potential is 0 V
B. the barrier potential stays fixed at 0.7 V
C. the barrier potential increases slightly with an increase in current
D. the barrier potential decreases slightly with an increase in current
Answer & Explanation
Answer: Option C

Explanation:

No answer description available for this question.

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