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EEE :: FET(Field Effect Transistors)

  1. If the temperature increases, the value of VCE ___________

  2. A.

     Remains the same

    B.

     Is increased

    C.

     Is decreased

    D.

     None of the above


  3. Frequencies above ___________ kHz are called radio frequencies

  4. A.

     2

    B.

     10

    C.

     50

    D.

     200


  5. The phase difference between the input and output voltages in a common base arrangement is ___________

  6. A.

     180°

    B.

     90°

    C.

     270°

    D.

     0°


  7. The voltage gain of a transistor connected in common collector arrangement is ___________

  8. A.

     equal to 1

    B.

     more than 10

    C.

     more than 100

    D.

     less than 1


  9. The input impedance of a transistor connected in ___________ arrangement is the highest

  10. A.

     common emitter

    B.

     common collector

    C.

     common base

    D.

     none of the above


  11. The output impedance of a transistor connected in ___________ arrangement is the highest

  12. A.

     common emitter

    B.

     common collector

    C.

     common base

    D.

     none of the above


  13. The power gain in a transistor connected in ___________ arrangement is the highest

  14. A.

     common emitter

    B.

     common base

    C.

     common collector

    D.

     none of the above


  15. The voltage gain in a transistor connected in ___________ arrangement is the highest

  16. A.

     common base

    B.

     common collector

    C.

     common emitter

    D.

     none of the above


  17. In a transistor if ß = 100 and collector current is 10 mA, then IE is ___________

  18. A.

     100 mA

    B.

     100.1 mA

    C.

     110 mA

    D.

     none of the above


  19. The Q of a tuned amplifier is generally ___________

  20. A.

     Less than 5

    B.

     Less than 10

    C.

     More than 10

    D.

     None of the above