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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Kilo Ohm
None of these
 Ohm
 Mega Ohm

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Analog Electronics
If the emitter resistance decreases, the

 collector current decreases.
 current gain increases.
  Q point moves up.
 Q point stays where it is.

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  1 / T.
  independent of T.
  T2.
  T.

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Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

 Fermi level fall
 Fermi level raises
 Fermi level not change
None of these

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Analog Electronics
If the base resistor has zero resistance, the transistor will probably be

None of these
 saturated.
 in cutoff.
  destroyed.

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  α.
  β + 1.
  β.
  α - 1.

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