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