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