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