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