Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 decreases by a factor of 6.
  remains almost the same.
 increases by a factor of 6.
 is zero.

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Analog Electronics
A Semiconductor has a

 Constant Temperature coefficient of resistance
 Negative Temperature coefficient of resistance
None of these
 Positive Temperature coefficient of resistance

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