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