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