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EEE :: FET(Field Effect Transistors)

  1. In a transistor ___________

  2. A.

     IC = IE + IB

    B.

     IB = IC + IE

    C.

     IE = IC - IB

    D.

     IE = IC + IB

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  3. The leakage current in CE arrangement is ___________ that in CB arrangement

  4. A.

     more than

    B.

     less than

    C.

     the same as

    D.

     none of the above

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  5. In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________

  6. A.

     Remains the same

    B.

     Is lowered

    C.

     Is raised

    D.

     None of the above

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  7. The arrow in the symbol of a transistor indicates the direction of ___________

  8. A.

     electron current in the emitter

    B.

     electron current in the collector

    C.

     hole current in the emitter

    D.

     donor ion current

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  9. In the above question, what are the values of cut-off frequencies?

  10. A.

     140 kHz , 60 kHz

    B.

     1020 kHz , 980 kHz

    C.

     1030 kHz , 970 kHz

    D.

     None of the above

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  11. In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ___________

  12. A.

     XL decreases and XC increases

    B.

     XL increases and XC decreases

    C.

     Line current becomes minimum

    D.

     None of the above

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  13. In parallel resonance, the circuit impedance is ___________

  14. A.

     C/LR

    B.

     R/LC

    C.

     CR/L

    D.

     L/CR

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  15. Transistor biasing is generally provided by a ___________

  16. A.

     Biasing circuit

    B.

     Bias battery

    C.

     Diode

    D.

     None of the above

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  17. The value of VBE ___________

  18. A.

     Depends upon IC to moderate extent

    B.

     Is almost independent of IC

    C.

     Is strongly dependant on IC

    D.

     None of the above

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  19. If the value of collector current IC increases, then the value of VCE ___________

  20. A.

     Remains the same

    B.

     Decreases

    C.

     Increases

    D.

     None of the above

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