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Analog Electronics

Analog Electronics
Doping in a semiconductor increases which quantity

 None
 Resistance
 Conductance
 Inductance

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Analog Electronics
A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage.

  input.
  base.
  output.
  collector.

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Analog Electronics
When pn junction is reverse biased

 a small current flows through it because of minority carriers
 it offers a very high resistance
 the witdh of depletion layer increases
All of these

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Analog Electronics
The base - emitter voltage is usually

 none of these.
 more than the base supply voltage.
 equal to the base supply voltage.
  less than the base supply voltage.

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Analog Electronics
An Op-Amp comparator circuit employs

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

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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.
 up.
  down.
 off the load line.

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MORE MCQ ON Analog Electronics

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