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EEE :: Single Stage Transistor

  1. In transistor amplifiers, we generally use ___________ capacitors.

  2. A.

     Electrolytic

    B.

     Mica

    C.

     Paper

    D.

     Air

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  3. The input capacitor in an amplifier is the ___________ capacitor

  4. A.

     Coupling

    B.

     Bypass

    C.

     Leakage

    D.

     None of the above

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  5. In a CE amplifier, voltage gain = ___________ x RAC/Rin

  6. A.

     α

    B.

     (1 + α)

    C.

     (1+ β)

    D.

     β

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  7. A single stage transistor amplifier contains ___________ and associated circuitry

  8. A.

     Two transistors

    B.

     One transistor

    C.

     Three transistor

    D.

     None of the above

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  9. The slope of a.c. load line is ___________ that of d.c. load line

  10. A.

     The same as

    B.

     More than

    C.

     Less than

    D.

     None of the above

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  11. CC configuration is used for impedance matching because its ___________

  12. A.

     Input impedance is very high

    B.

     Input impedance is low

    C.

     Output impedance is very low

    D.

     None of the above

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  13. If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ___________

  14. A.

     20 kΩ

    B.

     2 kΩ

    C.

     10 kΩ

    D.

     5 kΩ

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  15. The value of collector load RC in a transistor amplifier is ___________ the output impedance of the transistor.

  16. A.

     The same as

    B.

     Less than

    C.

     More than

    D.

     None of the above

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  17. The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________

  18. A.

     Avoid voltage gain drop

    B.

     Forward bias the emitter

    C.

     Reduce noise in the amplifier

    D.

     None of the above

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  19. A single stage transistor amplifier with no load sees an a.c. load of

  20. A.

     RC + RE

    B.

     RC

    C.

     RC || RE

    D.

     RC/RE

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