Electrical engineering material miscellaneous

Electrical engineering material miscellaneous

Easy Questions

Electrical Engineering materials

Electrical engineering material miscellaneous
  1. The junction current in a zero biased PN junction, at equilibrium is:








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    The junction current in a zero biased PN junction, at equilibrium is zero, because no carrier is able to cross the junction barrier.

    Correct Option: D

    The junction current in a zero biased PN junction, at equilibrium is zero, because no carrier is able to cross the junction barrier.

  1. The depletion layer due to PN asymmetric junction:








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    The depletion layer due to PN asymmetric junction penetrates more into N-region if P content is more.

    Correct Option: A

    The depletion layer due to PN asymmetric junction penetrates more into N-region if P content is more.

  1. The conduction band in a semiconductor is:








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    The conduction band in a semiconductor is due to the spreading of energies of free electrons.

    Correct Option: A

    The conduction band in a semiconductor is due to the spreading of energies of free electrons.

  1. An example of a metal having zero Thomson effect is:








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    NA

    Correct Option: C

    NA

  1. Highest electrical resistivity exists in:








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    Highest electrical resistivity exists in kanthal wire.

    Correct Option: D

    Highest electrical resistivity exists in kanthal wire.