Physical electronics devices and ics miscellaneous

Physical electronics devices and ics miscellaneous

Easy Questions

Physical Electronics Devices and ICs

Physical electronics devices and ics miscellaneous
  1. In a properly biased transistor—








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    In a properly biased transistor the emitter to base depletion region is small and collector to base depletion region is large because
    * The doping of emitter region is large as compare to collector region since

    depletion width ∝
    1
    √Doping concentration

    * Usually the emitter to base junction is forward biased while collector to base junction is reverse biased.

    Correct Option: D

    In a properly biased transistor the emitter to base depletion region is small and collector to base depletion region is large because
    * The doping of emitter region is large as compare to collector region since

    depletion width ∝
    1
    √Doping concentration

    * Usually the emitter to base junction is forward biased while collector to base junction is reverse biased.

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








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    The phase difference between the input and output voltages in a common base arrangement is 0º.

    Correct Option: D

    The phase difference between the input and output voltages in a common base arrangement is 0º.

  1. Most of the majority carriers from emitter—








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    Most of the majority carriers from emitter pass through the base region to the collector.

    Correct Option: C

    Most of the majority carriers from emitter pass through the base region to the collector.

  1. At the base emitter junction of a transistor, one finds—








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    At the base-emitter junction of a transistor, one finds low resistance because usually base-emitter junction is forward biased

    Correct Option: C

    At the base-emitter junction of a transistor, one finds low resistance because usually base-emitter junction is forward biased

  1. In a p-n-p transistor, current carriers are—








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    In a pnp transistor, current carriers are holes.

    Correct Option: D

    In a pnp transistor, current carriers are holes.