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Analog Electronics

Analog Electronics
Which of the following is Pentavalent impurity?

 indium
 gallium
 boron
 antimony

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Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 collector current.
 emitter current.
 emitter voltage.
  base current.

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Analog Electronics
Conduction electrons have more mobility than holes because they

 have negative charge
None of these
 are free
 need less energy to move them

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Analog Electronics
If the emitter resistance increases, the collector voltage

 decreases.
 stays the same.
 breaks down the transistor.
  increases.

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Analog Electronics
Suppose the base resistor is open. The Q point will be

 off the load line.
 in the middle of the load line.
 at the upper end of the load line.
  at the lower end of the load line.

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Analog Electronics
The base-emitter voltage of the second approximation is

 0.3 V.
  0.7 V.
 1 V.
 0 V.

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