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26404-11 Basic Electronic Theory

1. An SRC is made from adjoining layers of semiconductor material in the ________.

Question 1 of 30

2. What semiconductor material comprises the base of an NPN transistor?

Question 2 of 30

3. Silicon is widely used as a semiconductor because it ________.

Question 3 of 30

4. Convert AC power to DC power using ________.

Question 4 of 30

5. The point at which avalanche breakover occurs in a diode is known as the ________.

Question 5 of 30

6. In the figure above, the lead marked C is the transistor ________.

Question 6 of 30

7. How many diodes are required to convert three-phase AC power to high-efficiency DC power?

Question 7 of 30

8. When used in a circuit, an LED is generally operated at about ________.

Question 8 of 30

9. One end of a diode has a beveled end which indicates that it is the ________.

Question 9 of 30

10. Which of the following can be thought of as an AC switch?

Question 10 of 30

11. The two basic types of diodes are the silicon and the ________.

Question 11 of 30

12. The process of giving off light by applying an electrical source of energy is called ________.

Question 12 of 30

13. How many diodes are required to form a bridge rectifier?

Question 13 of 30

14. The difference between an N -channel and a P-channel JFET is ________.

Question 14 of 30

15. How many diodes are required to form a full-wave AC rectifier circuit?

Question 15 of 30

16. When possible, transistor casings will have some marking to indicate ________.

Question 16 of 30

17. What is the average number of valence electrons in a conductor atom?

Question 17 of 30

18. On a transistor, control voltages are applied to the ________.

Question 18 of 30

19. The difference between an SCR and a diode is that an SCR ________.

Question 19 of 30

20. What is the name given to the areas where P -type materials join N-type materials to form a diode?

Question 20 of 30

21. Which of the following is an excellent conductor but too expensive to use on a large scale?

Question 21 of 30

22. In order to permit the emergence of the maximum number of photons in an LED, the conducting surface ________.

Question 22 of 30

23. The schematic symbol for an LED is the same as that of a diode with the addition of a(n) ________.

Question 23 of 30

24. A transistor is made by joining how many layers of semiconductor material?

Question 24 of 30

25. In the figure above, the lead marked A is the transistor ________.

Question 25 of 30

26. High-power transistors are manufactured in which configuration?

Question 26 of 30

27. Which of the following can be viewed as a diac with a gate terminal added?

Question 27 of 30

28. The figure above shows the electrical symbol for a(n) ________.

Question 28 of 30

29. The applied voltage does not have to exceed the breakover voltage in order for conduction to begin on a(n) ________.

Question 29 of 30

30. Which of the following makes the best conductor?

Question 30 of 30


 

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