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