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ECE :: Electronic Devices and Circuits

  1. The below diagram is __________


  2. A.
    Half wave Rectifier
    B.
    Full wave Rectifier
    C.
    Bridge Rectifier
    D.
    None of these

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  3. Which of the following are the disadvantages of half wave rectifier
  4. A.
    High ripple factor (1.21)
    B.
    low ratio of rectification (0.406) & low TUF (0.287)
    C.
    D.C Saturation of transformer
    D.
    all the above

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  5. The below diagram is __________


  6. A.
    Half wave Rectifier
    B.
    Full wave Rectifier
    C.
    Bridge Rectifier
    D.
    None of these

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  7. The below diagram is __________


  8. A.
    Half wave Rectifier
    B.
    Full wave Rectifier
    C.
    Bridge Rectifier
    D.
    None of these

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  9. ________are electronic circuits which give constant DC output voltage, irrespective of variations in Input Voltage V, current drawn by the load I from output terminals
  10. A.
    Rectifier
    B.
    Filter
    C.
    Regulator
    D.
    None of these

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  11. The below figures represents ____


  12. A.
    ppn , npn
    B.
    pnp , npn
    C.
    npp , ppn
    D.
    nnp , pnp

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  13. _____ is a device in which there is a transfer of resistance from input side which is forward biased (low resistance) to output side which is reverse biased (high resistance)
  14. A.
    Diode
    B.
    Transistor
    C.
    Rectifier
    D.
    Regulator

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  15. Transistor is a ______ terminal device
  16. A.
    1
    B.
    2
    C.
    3
    D.
    4

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  17. Which of the following regions are part of the output characteristics of a transistor?
  18. A.
    Active
    B.
    Cutoff
    C.
    Saturation
    D.
    All the above

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  19. In which of the following region, both the collector base & base emitter junctions are forward biased ?
  20. A.
    Active
    B.
    Cutoff
    C.
    Saturation
    D.
    All the above

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