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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


  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


  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


  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


  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


  11. A CE amplifier is also called ___________ circuit

  12. A.

     Grounded emitter

    B.

     Grounded base

    C.

     Grounded collector

    D.

     None of the above


  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


  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


  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


  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