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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


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

  4. A.

     Coupling

    B.

     Bypass

    C.

     Leakage

    D.

     None of the above


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

  6. A.

     α

    B.

     (1 + α)

    C.

     (1+ β)

    D.

     β


  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


  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


  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


  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


  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


  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


  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