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EEE :: Single Stage Transistor

  1. The point of intersection of d.c. and a.c. load lines is called ___________

  2. A.

     Saturation point

    B.

     Cut off point

    C.

     Operating point

    D.

     None of the above

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  3. The radio wave picked up by the receiving antenna is amplified about times to have reasonable sound output

  4. A.

     1000

    B.

     A million

    C.

     100

    D.

     10000

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  5. If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is

  6. A.

     165

    B.

     165 x 104

    C.

     100

    D.

     None of the above

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  7. If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________

  8. A.

     20 V

    B.

     5 V

    C.

     2 V

    D.

     10 V

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  9. In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________

  10. A.

     Thin base

    B.

     Thin collector

    C.

     Wide emitter

    D.

     None of the above

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  11. A CE amplifier is also called ___________ circuit

  12. A.

     Grounded emitter

    B.

     Grounded base

    C.

     Grounded collector

    D.

     None of the above

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  13. A transistor amplifier has high output impedance because ___________

  14. A.

     Emitter is heavily doped

    B.

     Collector has reverse bias

    C.

     Collector is wider than emitter or base

    D.

     None of the above

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  15. An amplifier has a power gain of 100. Its db gain is ___________

  16. A.

     10 db

    B.

     20 db

    C.

     40 db

    D.

     None of the above

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  17. In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________

  18. A.

     RC + RL

    B.

     RC || RL

    C.

     RL

    D.

     RC

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  19. A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________

  20. A.

     RC

    B.

     RC || RE

    C.

     RC - RE

    D.

     RC + RE

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