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Analog Electronics

Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.3 V.
  0.9 V.
  0.5 V.
  0.7 V.

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Analog Electronics
Example of donor atom is

 Antimony
 Silicon
 Germinium
 Both A and B

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Analog Electronics
The input offset electric current equals the

 collector electric current divided by the base current.
 difference between the two base-emitter voltages.
 average of the two base currents.
 difference between the two base currents.

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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

 nowhere.
 off the load line.
  down.
 up.

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  saturated point.
  depletion region.
  breakdown region.
  pinch-off region.

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Analog Electronics
An Op-Amp comparator circuit employs

 -ve feedback.
 both B and C.
 no feedback.
 +ve feedback.

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MORE MCQ ON Analog Electronics

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