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Analog Electronics

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

 10-15 ev
 0 ev
 1-3 ev
 14-15 ev

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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

 off the load line.
  down.
 up.
 nowhere.

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Analog Electronics
The 741 C has a unity - gain frequency of

  1 MHz.
  15 MHz.
  20 Hz.
  10 Hz.

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Analog Electronics
The leakage electric current of a pn junction is caused by

  heat energy.
  majority carriers.
  chemical energy.
  barrier potential.

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Analog Electronics
The properties of JFET resemble those of

  NPN transistors.
  PNP transistors.
  UJT.
  thermionic valves.

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Analog Electronics
An emitter follower has a voltage gain that is

  approximately equal to one.
 zero.
 much less than one.
 greater than one.

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