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Analog Electronics

Analog Electronics
Which of the following is a semiconductors material ?

 Ge
 All the above
 Si
 GaAs

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

 lightly doped.
None of these
 undoped.
  heavily doped.

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Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 0.7 V.
 1.7 V.
 2.1 V.
 0.1 V.

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Analog Electronics
The encapsulation of transistor is necessary for

Preventing photo-emission effects
Mechanical ruggedness
Preventing radio interference
Avoiding loss of free electrons

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Analog Electronics
The leakage electric current ICBO flows in

  the emitter and collector leads.
  the base and collector leads.
  the emitter and base leads.
  the emitter, base and collector leads.

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

  10.
  100.
  5.
  1.

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