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Analog Electronics

Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 10 A.
  3.1 A.
 3 A.
 3.33 mA.

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

 both.
 neither.
  free electrons.
 holes.

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Analog Electronics
The universal bias stabilization circuit is the most popular because

  voltage divider is heavily loaded by transistor base .
  its β sensitivity is low .
  IC equals to IE.
  IC does not depend on transistor characteristic.

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 tetravalent impurity
All of these
 pentavalent impurity
 trivalent impurity

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Analog Electronics
The room temperature resistivity of pure silicon is

 3000
 6
 300
 50

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Analog Electronics
If the emitter resistor is open, the collector voltage is

 unchanged.
 low.
 unknown.
  high.

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MORE MCQ ON Analog Electronics

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