Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 P-type semiconductor
 Intrinsic semiconductor
None of these
 N-type semiconductor

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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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Analog Electronics
For transistor action

  the base region must be very thin and lightly doped.
  Je must be forward biased and Jc should be reverse biased.
  the emitter should be heavily doped.
  all of these.

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