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