HomeElectronics Multiple choice question MCQ online testTransistor questions and answers Transistor questions and answers Leave a Comment / Electronics Multiple choice question MCQ online test Spread the love 0% 0 votes, 0 avg Created on September 11, 2022Transistor Transistor Basic theoretical knowledge of transistor 1 / 32 Category: Transistor 1. The value of α of a transistor is ………. more than 1 less than 1 1 none of the above 2 / 32 Category: Transistor 2. The power gain in a transistor connected in ……………. arrangement is the highest none of the above common collector common base common emitter 3 / 32 Category: Transistor 3. A current ratio of IC/IE is usually less than one and is called ………… alpha omega theta beta 4 / 32 Category: Transistor 4. The C-B configuration is used to provide which type of gain? current power resistance voltage 5 / 32 Category: Transistor 5. The relation between β and α is ………….. β = 1 / (1 – α ) β = α / (1 + α ) β = (1 – α ) / α β = α / (1 – α ) 6 / 32 Category: Transistor 6. The collector of a transistor is …………. doped moderately none of the above lightly heavily 7 / 32 Category: Transistor 7. In a transistor if β = 100 and collector current is 10 mA, then IE is ………… none of the above 110 mA 100.1 mA 100 mA 8 / 32 Category: Transistor 8. The output impedance of a transistor is …………….. zero very low low high 9 / 32 Category: Transistor 9. A transistor is a …………… operated device both voltage current 10 / 32 Category: Transistor 10. The input impedance of a transistor is …………. high low almost zero very high 11 / 32 Category: Transistor 11. In a transistor ……………….. IE = IC + IB IC = IE + IB IB = IC + IE IE = IC – IB 12 / 32 Category: Transistor 12. BC 147 transistor indicates that it is made of ………….. silicon carbon germanium none of the above 13 / 32 Category: Transistor 13. ICEO = (………) ICBO 1 + β 1 + α none of the above β 14 / 32 Category: Transistor 14. When the transistor is used in Cut-off or Saturation state, It acts as ? As AND gate An amplifire An zener diode A switch 15 / 32 Category: Transistor 15. In a transistor, collector current is controlled by ……….. collector voltage collector resistance all of the above base current 16 / 32 Category: Transistor 16. The emitter of a transistor is ………………… doped moderately none of the above heavily lightly 17 / 32 Category: Transistor 17. Beta’s current ratio is …….. IB/IE IC/IE IE/IB IC/IB 18 / 32 Category: Transistor 18. A transistor has....... One PN junction Two PN junctions Four PN junctions Three PN junctions 19 / 32 Category: Transistor 19. The most commonly used transistor arrangement is …………… arrangement none of the above common base common collector common emitter 20 / 32 Category: Transistor 20. The collector-base junction in a transistor has ……………. low resistance reverse bias at all times none of the above forward bias at all times 21 / 32 Category: Transistor 21. In a transistor, the base current is about ………….. of emitter current 35 % 25% 5% 20% 22 / 32 Category: Transistor 22. The voltage gain in a transistor connected in ………………. arrangement is the highest common emitter none of the above common base common collector 23 / 32 Category: Transistor 23. In a pnp transistor, the current carriers are …………. free electrons acceptor ions holes donor ions 24 / 32 Category: Transistor 24. In a npn transistor, ……………. are the minority carriers free electrons donor ions acceptor ions holes 25 / 32 Category: Transistor 25. The arrow in the symbol of a transistor indicates the direction of …………. electron current in the emitter electron current in the collector hole current in the emitter donor ion current 26 / 32 Category: Transistor 26. The number of depletion layers in a transistor is ...... Three Four One Two 27 / 32 Category: Uncategorized 27. A transistor is a …………… operated device voltage both current none of the above 28 / 32 Category: Transistor 28. Total emitter current is ………… IB + IC IB – IC IE – IC IC + IE 29 / 32 Category: Transistor 29. In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of β is ………… 50 about 1 200 100 30 / 32 Category: Transistor 30. With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be …… infinite low resistance open high resistance 31 / 32 Category: Transistor 31. The value of β for a transistor is generally ……………….. between 20 and 500 above 500 1 less than 1 32 / 32 Category: Transistor 32. In a transistor, signal is transferred from a …………… circuit high resistance to low resistance low resistance to high resistance high resistance to high resistance low resistance to low resistance Your score is LinkedIn Facebook VKontakte 0% Restart quiz Exit Anonymous feedback Thank you Send feedback Spread the love
