Analog Electronics
Reverse saturation electric current in a silicon pn junction diode nearly doubles for very

  6° rise in temperature.
  10° rise in temperature.
  2° rise in temperature.
  5° rise in temperature.

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Analog Electronics
For transistor action

  all of these.
  the base region must be very thin and lightly doped.
  the emitter should be heavily doped.
  Je must be forward biased and Jc should be reverse biased.

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