Power Electronics Basics
5 Questions
| Total Attempts: 786
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.