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