Electronic Devices MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. What are the two types of bipolar junction transistors?

1. pnn and nnp
2. ppn and nnp
3. pts and stp
4. npn and pnp

12. 12. The magnitude of dark current in a photo-transistor usually falls in what range?

1. mA
2. nA
3. MA
4. pA

13. Junction Field Effect Transistors (JFET) contain how many diodes?

1. 4
2. 3
3. 2
4. 1

14. When not in use, MOSFET pins are kept at the same potential through the use of:

1. conductive foam
2. nonconductive foam
3. shipping foil
4. a wrist strap

15. A MOSFET has how many terminals?

1. 2 or 3
2. 3
3. 4
4. 3 or 4

16. Hybrid means

1. mixed
2. single
3. biunique
4. none of the above

17. If the operating point changes, the h-parameters of transistor

1. also change
2. do not change
3. may or may not change
4. none of the above

18. There are .............. h-parameters of a transistor

1. two
2. four
3. three
4. none of the above

19. For a silicon transistor, when a base-emitter junction is forward-biased, it has a nominal voltage drop of

1. 0.7 V
2. 0.3 V
3. 0.2 V
4. VCC

20. A very simple bias for a D-MOSFET is called:

1. self biasing
2. gate biasing
3. zero biasing
4. voltage-divider biasing