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Analog Electronics

Analog Electronics
The emitter of the transistor is doped

  lightly.
  heavily.
  none of these
  moderately.

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

  Zener current.
  Series current.
  None of these.
  Load current.

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Analog Electronics
When the drain saturation electric current is less than IDSS a JFET acts like a

  battery.
  current source.
  BJT.
  resistor.

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Analog Electronics
The input offset electric current is usually

  unimportant when a base resistor is used.
  equal to zero.
  less than the input offset voltage.
  less than the input bias current.

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Analog Electronics
The first step in analyzing emitter-based circuits is to find the

 collector current.
 supply current.
  emitter current.
 base current.

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Analog Electronics
Donors to a semiconductor material is

 Pentavalant
 Tetravalant
 Trivalant
 Divalant

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