Analog Electronics
A zener diode

  has a constant voltage in the breakdown region.
  is forward biased.
  has a barrier potential of 1 V.
  is a battery.

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Analog Electronics
Why is silicon preferred than germanium ?

 Current sensitivity of silicon with temperature is less
 Silicon has higher tolerance to temperature
 All the above
 Leakage current due to minority charge carrier is less in silicon

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