Transistor questions and answers

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Transistor

MCQ transistorBasic theoretical knowledge of transistor

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1. In a transistor if β = 100 and collector current is 10 mA, then  IE is …………

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2. The collector-base junction in a transistor has …………….

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3. A transistor has.......

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4. The voltage gain in a transistor connected in ………………. arrangement is the highest

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5. In a transistor, signal is transferred from a …………… circuit

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6. In a transistor, the base current is about ………….. of emitter current

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7. The arrow in the symbol of a transistor indicates the direction of ………….

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8. The power gain in a transistor connected in ……………. arrangement is the highest

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9. When the transistor is used in Cut-off or Saturation state, It acts as ?

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10. The emitter of a transistor is ………………… doped

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11.  BC 147 transistor indicates that it is made of …………..

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12. A current ratio of IC/IE is usually less than one and is called …………

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13. In a transistor ………………..

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14. In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of β is …………

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15. The C-B configuration is used to provide which type of gain?

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16. ICEO = (………) ICBO

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17. The value of β for a transistor is generally ………………..

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18. A transistor is a …………… operated device

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19. In a npn transistor, ……………. are the minority carriers

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20. The most commonly used transistor arrangement is …………… arrangement

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21. The relation between β and  α is …………..

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22. In a transistor, collector current is controlled by ………..

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23. The collector of a transistor is …………. doped

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24. The number of depletion layers in a transistor is ......

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25. With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be ……

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26. The value of α of a transistor is ……….

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27. Beta’s current ratio is ……..

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28.  Total emitter current is …………

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29. The output impedance of a transistor is ……………..

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30. The input impedance of a transistor is ………….

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31. A transistor is a …………… operated device

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32. In a pnp transistor, the current carriers are ………….

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