Voltage Regulators - General Questions (8)

Directions to Solve

Voltage Regulators - General Questions

57. 

What is the range of the voltage level of the LM317 adjusted voltage regulator?
A. 0 V to 5 V
B. 1.2 V to 37 V
C. –5 V to –24 V
D. 5 V to 24 V

Answer: Option B

Explanation:

No answer description available for this question. 
View Answer Discuss Workspace Report
58. 

The 7805 regulator IC provides ________.
A. 5 V
B. –5 V
C. 12 V
D. –12 V

Answer: Option A

Explanation:

No answer description available for this question.

View Answer Discuss Workspace Report
59. 

In which period is the capacitor filter discharged through the load in a full-wave rectifier?
A. The time during the positive cycle
B. The time during which the diodes are not conducting
C. The time during which the diode(s) is (are) conducting
D. The time during the negative cycle

Answer: Option B

Explanation:

No answer description available for this question.
View Answer Discuss Workspace Report
60. 

Calculate the ripple voltage of a full-wave rectifier with a 75- 

mu (3)1 F filter capacitor connected to a load drawing 40 mA.
A. 1.20 V
B. 1.28 V
C. 1.32 V
D. 1.41 V

Answer: Option B

Explanation:

No answer description available for this question.
View Answer Discuss Workspace Report
61. 

Voltage regulators keep a constant ________ output voltage when the input or load varies within limits.
A. dc
B. ac
C. ripple

Answer: Option A

Explanation:

No answer description available for this question. 

View Answer Discuss Workspace Report
62. 

Refer to the given figure. This circuit operates at a ________ frequency, and its efficiency is ________.

mcq18_1006_1c
A. low, low
B. low, high
C. high, high
D. high, low

Answer: Option C

Explanation:

No answer description available for this question.

View Answer Discuss Workspace Report
63. 

Refer to the given figure. If the zener diode had a rating of 1.7 V, the output voltage would be

mcq18_1006_1a
A. 2.13 V.
B. 8.36 V.
C. 20.16 V.
D. 25 V.

Answer: Option B

Explanation:

No answer description available for this question.

View Answer Discuss Workspace Report
64. 

The 7812 regulator IC provides ________.
A. 5 V
B. –5 V
C. 12 V
D. –12 V

Answer: Option C

Explanation:

No answer description available for this question.
View Answer Discuss Workspace Report

Questions & Answers

Aptitude Chemical Engineering Civil Engineering Computer Science & Engineering Current Affairs Data Interpretation Electrical & Electronics Engineering Electronics & Communication Engineering General Knowledge Logical Reasoning Mechanical Engineering Non Verbal Reasoning Verbal Ability Verbal Reasoning

Interviews

HR Interview

Jobs

Sarkari Jobs

Results

Rojgar ResultSarkari Result

Admission

Admission 2023

Admit Card

Admit Card 2023

Answer Key

Answer Key 2023