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Analog Electronics

Analog Electronics
The number of orbiting electrons in germanium atom are :

 28
 36
 42
 32

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 decreases by a factor of 6.
 increases by a factor of 6.
 is zero.
  remains almost the same.

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Analog Electronics
A semiconductor material is formed by

 Covalent bonds
 Electrovalent bonds
 Metallic bonds
None of these

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Analog Electronics
An emitter follower has a voltage gain that is

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

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Analog Electronics
The voltage gain of a loaded differential amp is

  large than the unloaded voltage gain.
  impossible to determine.
  smaller than the unloaded voltage gain.
  equal to RC / re.

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  high - purity silica.
  heavily doped poly crystalline silicon.
  high - purity silicon.

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