Electronics - Diodes and Applications

Exercise :: Diodes and Applications - General Questions

36. 

What is the percent of regulation if Vnl = 20 V and Vfl = 19.8 V?

A. 0%
B. 1%
C. .1%
D. 5%

Answer: Option B

Explanation:

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37. 

With a half-wave rectified voltage across the load resistor, load current flows for what part of a cycle?

A. 0 degrees
B. 90 degrees
C. 180 degrees
D. 360 degrees

Answer: Option C

Explanation:

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38. 

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: Option D

Explanation:

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39. 

What is wrong with this circuit?

A. The zener is open.
B. The zener is shorted.
C. nothing
D. not enough data

Answer: Option A

Explanation:

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40. 

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: Option A

Explanation:

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