Power Electronics Basics
5 Questions
| Total Attempts: 620
The term “power electronics” is given to the study of switching electronic circuits in the interest of controlling the flow of electrical energy, and serves as the technology behind a host of electricity-related processes. What do you know about it?
Questions and Answers
- 1.A silicon controlled rectifier (SCR) is a
- A.
Unijunction device.
- B.
Device with 3 junctions.
- C.
Device with 4 junctions.
- D.
None of the above.
- 2.Which of the following finds application in speed control of a dc motor?
- A.
FET
- B.
NPN transistor.
- C.
SCR.
- D.
None of the above.
- 3.A chopper can be used to step up a dc voltage.
- A.
True.
- B.
False.
- 4.A dc chopper converts directly from dc to dc.
- A.
True.
- B.
False.
- 5.A triac is a
- A.
2 terminal switch.
- B.
2 terminal bilateral switch.
- C.
3 terminal unilateral switch.
- D.
3 terminal bidirectional switch.
A quiz on Power Electronics.
Questions: 5 | Attempts: 4483 | Last updated: Jan 24, 2019
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Sample QuestionA silicon controlled rectifier (SCR) is a
Characteristics of Power Electronic devices, phase control,
bridge converters, choppers and inverters, basic concepts of adjustable speed drives.
Questions: 20 | Attempts: 895 | Last updated: Oct 26, 2017
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Sample QuestionTriacs cannot be used in a.c voltage regulator for a
Questions: 20 | Attempts: 202 | Last updated: Jan 24, 2019
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Sample QuestionModern ac-dc converters employ self commutated devices like GTOs of IGBTs instead of thyristors inorder to achieve
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