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Analog Electronics

Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 Si
 All the above
 GaAs
 Ge

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Analog Electronics
Most small - signal E - MOSFETs are found in

  discrete circuits.
  disk drives.
  heavy - current applications.
  integrated circuit.

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Analog Electronics
When were the first solid state devices manufactured ?

 1970
 1940
 1960
 1950

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Analog Electronics
In a CB amplifier the maximum efficiency could be

99%
50%
85%
25%

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE + ICO.
  IC = αIE.
  IC = βIE.
  IC = αIE - ICO.

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Analog Electronics
To prevent a DC return between source and load, it is necessary to use

Either A or B
Resistor between source and load
Capacitor between source and load
Inductor between source and load

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