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Analog Electronics

Analog Electronics
The barrier potential across each silicon depletion layer is

 0.3 V.
  0.7 V.
 0 V.
 1 V.

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  equals the voltage divided by the resistance.
  stays the same.
  decreases.
  increases.

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Analog Electronics
Donors to a semiconductor material is

 Tetravalant
 Trivalant
 Pentavalant
 Divalant

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

Current controlled voltage source
Current controlled Current source
voltage controlled current source
Voltage controlled voltage source

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Analog Electronics
If the load resistance increases in a zener regulator, the zener current

  stays the same.
  equals the source voltage divided by series resistance.
  decreases.
  Increases.

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Analog Electronics
An Op-Amp comparator circuit employs

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

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MORE MCQ ON Analog Electronics

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