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