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