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