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