Analog Electronics
Suppose the base resistor is open. The Q point will be

  at the lower end of the load line.
 at the upper end of the load line.
 in the middle of the load line.
 off the load line.

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Analog Electronics
Why is silicon preferred than germanium ?

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

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