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EEE :: Solid State Switching Circuits

  1. If the input to an integrating circuit is a succession of alternating positive and negative pulses of very short duration, the output will be ___________ wave

  2. A.

     Rectangular

    B.

     Triangular

    C.

     Sine

    D.

     Square


  3. An integrating circuit is a simple RC series circuit with output taken across

  4. A.

     Both R and C

    B.

     R

    C.

     C

    D.

     None of the above


  5. If the input to a differentiating circuit is a saw-tooth wave, then output will be ___________.

  6. A.

     Square

    B.

     Triangular

    C.

     Sine

    D.

     Rectangular


  7. If a square wave is fed to a differentiating circuit, the output will be ___________.

  8. A.

     Sine wave

    B.

     Sharp narrow pulses

    C.

     Rectangular wave

    D.

     Triangular wave


  9. The multivibrator which generates square wave of its own is the ___________ multivibrator

  10. A.

     Monostable

    B.

     Bistable

    C.

     Astable

    D.

     None of the above


  11. In a multivibrator, we have ___________ feedback.

  12. A.

     Negative

    B.

     100 % positive

    C.

     Both positive and negative

    D.

     None of the above


  13. An astable multivibrator has ___________.

  14. A.

     One stable state

    B.

     Two stable states

    C.

     No stable state

    D.

     None of the above


  15. A bistable multivibrator has ___________.

  16. A.

     Two stable states

    B.

     One stable state

    C.

     No stable state

    D.

     None of the above


  17. A monostable vibrator has ___________.

  18. A.

     No stable state

    B.

     One stable state

    C.

     Two stable states

    D.

     None of the above


  19. A relay is superior to a mechanical switch because it ___________.

  20. A.

     Is relatively inexpensive

    B.

     Does not require moving contacts

    C.

     Combines control with power amplification

    D.

     None of the above