Analog Electronics
Why is silicon preferred than germanium ?

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

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Analog Electronics
The ICBO is the electric current that flows when some DC voltage is applied

  in the forward direction to the emitter junction with collector open.
  in the reverse direction to the emitter junction with collector open.
  in the reverse direction to the collector junction with emitter open.
  in the forward direction to the collector junction with emitter open.

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Analog Electronics
When a transistor is connected in common emitter mode, it with have

High input resistance and low output resistance
Low input resistance as well as output resistance
Medium input resistance and high output resistance
Negligible input resistance and high output resistance

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