Transistors MCQs
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Transistors MCQs
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25 Questions

1. In a transistor if β = 100 and collector current is 10 mA, then  IE is ............
2. The current IB is ............
3. If the value of α is 0.9, then value of  β is ...........
4. With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be ......
5. The base of a transistor is .............. doped
6. Three different Q points are shown on a dc load line. The upper Q point represents the .............
7. The most commonly used semiconductor in the manufacture of a transistor is .............
8. The Q point on a load line may be used to determine ............
9. In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of β is ............
10. The value of α of a transistor is ..........
11. A heat sink is generally used with a transistor to ............
12. In a npn transistor, ................ are the minority carriers
13. A collector characteristic curve is a graph showing ...........
14. Which is the higher gain provided by a CE configuration?
15. The voltage gain in a transistor connected in ................... arrangement is the highest
16. Most of the majority carriers from the emitter ....................
17. The collector of a transistor is ............. doped
18. In a transistor, collector current is controlled by ...........
19. The input/output relationship of the common-collector and common-base amplifiers is ...........
20. The input impedance of a transistor is .............
21. If a 2 mV signal produces a 2 V output, what is the voltage gain?
22. At the base-emitter junctions of a transistor, one finds ...............
23. A transistor may be used as a switching device or as a .............
24. The voltage gain of a transistor connected in common collector arrangement is ...........
25. The most commonly used transistor arrangement is ............... arrangement

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