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Analog Electronics

Analog Electronics
Which of the following is a semiconductors material ?

 Ge
 GaAs
 Si
 All the above

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Analog Electronics
Class AB operation is often used in power large signal) amplifiers in order to

Reducing collector dissipation
Remove even harmonics
Get maximum efficiency
Overcome a crossover distortion

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

 36
 32
 28
 42

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 3 A.
 10 A.
  3.1 A.
 3.33 mA.

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Analog Electronics
The main job of a voltage regulator is to provide a nearly __________________ output voltage.

  sinusoidal.
  fluctuating.
  smooth.
  constant.

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Analog Electronics
A zener diode

  has a constant voltage in the breakdown region.
  is a battery.
  is forward biased.
  has a barrier potential of 1 V.

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