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Analog Electronics

Analog Electronics
What is the range of energy band gap of semiconductors ?

 1-3 ev
 0 ev
 10-15 ev
 14-15 ev

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Analog Electronics
The electric current ICBO flows in the

  collector and base leads.
  emitter and collector leads.
  none of them.
  emitter and base leads.

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Analog Electronics
A JFET has disadvantage of

  being noisy.
  possessing positive temperature coefficient.
  having low input impedance.
  having small gain-bandwidth product.

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Analog Electronics
The input voltage to an emitter follower is usually

 greater than the generator voltage.
 equal to the generator voltage.
  less than the generator voltage.
 equal to the supply voltage.

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Analog Electronics
When the Q point moves along the load line, VCE decreases when the collector current

 stays the same.
  increases.
 decreases.
None of these

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Analog Electronics
The room temperature resistivity of pure silicon is

 50
 6
 3000
 300

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