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. A device having characteristics very close to that of an ideal voltage source is—








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    A device having characteristics very close to that of an ideal voltage source is zener diode.

    Correct Option: B

    A device having characteristics very close to that of an ideal voltage source is zener diode.

  1. In a zener diode—








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    In a zener diode sharp breakdown occurs at low reverse voltage.

    Correct Option: C

    In a zener diode sharp breakdown occurs at low reverse voltage.

  1. In a voltage multiplier circuit diodes and capacitors are suitable for—








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    In a voltage multiplier circuit diodes and capacitor are suitable for high voltage low current device.

    Correct Option: B

    In a voltage multiplier circuit diodes and capacitor are suitable for high voltage low current device.

  1. The dynamic impedance of zener diode—








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    The dynamic impedance of zener diode decreases with increase in current through it.

    Correct Option: B

    The dynamic impedance of zener diode decreases with increase in current through it.

  1. An avalanche diode—








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    An avalanche diode is usually operated in the reverse biased mode only.

    Correct Option: C

    An avalanche diode is usually operated in the reverse biased mode only.