Power Electronics MCQ Questions and Answers
1. In a thyristor, anode current is made of
Answer : C
2. A DIAC can be terned as :
Answer : A
3. A UJT exhibits negative resistance region :
Answer : B
4. Inverter converts :
Answer : A
5. Which semiconductor device behaves structurally as consisting of a diode and two resistors :
Answer : A
Power Electronics MCQ
6. AC power in a load can be controlled by using :
Answer : A
7. In a full wave rectifier, the rectification ratio is approximately equal to :
Answer : C
8. The p-type emitter of a UJT is ______ dopped.
Answer : C
9. For an SCR, di/dt protection is achieved through the use of
Answer : C
10. In a pulse width modulation of chopper :
Answer : A
Power Electronics MCQ
11. Choppers can be used to
Answer : C
12. A single-phase full converter operates as an inverter, when
Answer : D
13. The average value of the output voltage in a step down DC chopper is given by :
Answer : B
14. The control method used for PWM DC-DC converter is
Answer : D
15. A fully controlled converter uses :
Answer : B
Power Electronics MCQ
16. Which device can be used in chopper circuit :
Answer : D
17. The load voltage of a chopper can be Controlled by varying the :
Answer : A
18. In pule width modulation :
Answer : C
19. The power MOSFET is a :
Answer : B
20. A step down choppers can be used in :
Answer : D
Related Links
- Testing & Maintenance of Electrical Machine MCQ
- C Programming MCQ
- Operating System MCQ
- Visual Basic MCQ
- JAVA MCQ
- System Maintenance MCQ
- Software Engineering MCQ
- Management (Common) MCQ
- System Software MCQ
- Computer Graphics MCQ
- Multimedia MCQ
- Data Structure MCQ
- Software Package MCQ
- Digital Electronics MCQ
- DBMS MCQ
- Ecommerce MCQ
- Web Technology MCQ