Diodes and Applications - General Questions (2)

Directions to Solve

Diodes and Applications - General Questions

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:

No answer description available for this question.

10.

What is wrong with this circuit?

mcq11_1012_1

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

Answer: Option A

Explanation:

No answer description available for this question.

11.

Which of the following circuits would require the least amount of filtering?

A.	A half-wave rectifier
B.	A half-wave rectifier
C.	A bridge rectifier
D.	A bridge rectifier

Answer: Option D

Explanation:

No answer description available for this question.

12.

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:

No answer description available for this question

13.

What is the percent of regulation if V_nl = 20 V and V_fl = 19.8 V?

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

Answer: Option B

Explanation:

No answer description available for this question

14.

The conduction band is closest to the valence band in

A.	semiconductors
B.	conductors
C.	insulators
D.	The distance is the same for all of the above.

Answer: Option A

Explanation:

No answer description available for this question.

15.

Thermal shutdown occurs in an IC regulator if:

A.	power dissipation is too high
B.	internal temperature is too high
C.	current through the device is too high
D.	load resistance increases

Answer: Option B

Explanation:

No answer description available for this question

16.

What is the peak output voltage for this half-wave rectifier?

mcq11_1015_1

A.	1 V
B.	7.8 V
C.	10.9 V
D.	15.6 V

Answer: Option B

Explanation:

No answer description available for this question

Diodes and Applications - General Questions (2)

Diodes and Applications - General Questions

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