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EEE :: Solid State Switching Circuits

  1. When a transistor is used as an amplifier, it is operated in the ___________ region

  2. A.

     Off

    B.

     Saturation

    C.

     Active

    D.

     None of the above

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  3. When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.

  4. A.

     Rectangular

    B.

     Sinusoidal

    C.

     Sawtooth

    D.

     Square

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  5. The positive clipper is that which removes the ___________ half-cycles of the input voltage.

  6. A.

     Negative

    B.

     Positive

    C.

     Both positive and negative

    D.

     None of the above

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  7. If d.c. supply of 10 V is fed to a differentiating circuit, then output will be .

  8. A.

     20 V

    B.

     10 V

    C.

     0 V

    D.

     None of the above

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  9. A switch has ___________.

  10. A.

     One state

    B.

     Two states

    C.

     Three states

    D.

     None of the above

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  11. A differentiating circuit is a simple RC circuit with output taken across ___________.

  12. A.

     R

    B.

     C

    C.

     Both R and C

    D.

     None of the above

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  13. For an integrating circuit to be effective , the RC product should be ___________ the time period of the input wave.

  14. A.

     5 times greater than

    B.

     5 times smaller than

    C.

     Equal to

    D.

     At least 10 times greater than

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  15. For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave.

  16. A.

     Equal to

    B.

     5 times greater than

    C.

     5 times smaller than

    D.

     At least 10 times greater than

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  17. A negative clipper removes the ___________ half-cycles of the input voltage.

  18. A.

     Negative

    B.

     Positive

    C.

     Both positive and negative

    D.

     None of the above

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  19. The maximum speed of electronic switch can be ___________ operations per second.

  20. A.

     104

    B.

     10

    C.

     1000

    D.

     109

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