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Analog Electronics

Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 0.3V
 1.5V
 1.6V
 0.7V

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

 Kilo Ohm
None of these
 Mega Ohm
 Ohm

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Analog Electronics
The current gain of a pnp transistor is

 near zero.
 the ratio of collector current to emitter current.
 the collector current divided by the emitter current.
 the negative of the npn current gain.

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Analog Electronics
In a properly biased NPN transistor most of the electrons from the emitter

  recombine in the emitter its self.
  are stopped by the junction barrier.
  recombine with holes in the base .
  pass through the base to the collector.

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Analog Electronics
What is the most important fact about the collector current?

  It approximately equals the emitter current.
 It equals the base current divided by the current gain.
 It is measured in milliampere.
 It is small.

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 neither.
 holes.
  free electrons.
 both.

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