Analog Electronics
The arrow direction in diode symbol indicates

  opposite to the direction of hole flow.
  none of these.
  direction of electron flow.
  direction of hole flow.

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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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Analog Electronics
The magnitude of electric current ICBO

  increases with the increase in temperature.
  depends largely upon the emitter doping.
  depends largely upon emitter-base junction base potential.
  is generally greater in silicon than in germanium transistor.

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