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