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Analog Electronics

Analog Electronics
Semiconductor material is

 Bilateral
 Trivalent
 Tetravalent
 Pentavalent

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

  down.
 up.
 nowhere.
 off the load line.

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

  3.1 A.
 3 A.
 10 A.
 3.33 mA.

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 pentavalent impurity
 tetravalent impurity
All of these
 trivalent impurity

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Analog Electronics
What is the charge of mobile charge carriers of holes ?

 Negatively charged
 No charged
 Positively charged
None of these

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

 base - emitter voltage.
 base supply voltage.
 0.7 V.
  collector - emitter voltage.

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