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