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Analog Electronics

Analog Electronics
In a pnp transistor, the major carriers in the emitter are

 free electrons.
 both.
 neither.
  holes.

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Analog Electronics
Which are the ways to convert an alternating current into a direct current ?

 Center-Taped Full-wave rectification.
 Bridge Full-wave rectification.
 All the above.
 Half-wave rectification.

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Analog Electronics
The current gain of a pnp transistor is

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

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Analog Electronics
In a CB amplifier the maximum efficiency could be

99%
25%
85%
50%

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Analog Electronics
The ideal value of stability factor of a biasing circuit is

  10.
  100.
  1.
  5.

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

 10% of reverse peak current.
 0.
  25% of reverse peak current.
 15% of reverse peak current.

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