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Analog Electronics

Analog Electronics
If the collector resistor is open, the collector voltage is

  low.
 unchanged.
 unknown.
 high.

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Analog Electronics
A electric current ratio of IC / IE is usually less than one and is called

  θ.
  β.
  α.
  ω.

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Analog Electronics
A small collector current with zero base current is caused by the leakage current of the

 transistor.
 emitter diode.
 base diode.
  collector diode.

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Analog Electronics
Junction field effect transistors (JFET) contain how many diodes?

  4.
  1.
  3.
  2.

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Analog Electronics
For a reverse biased pn junction, the electric current through the junction increases abruptly at

  0 V.
  breakdown voltage.
  7.2 eV.
  0.2 eV.

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Analog Electronics
What is true about the breakdown voltage in a zener diode?

  It is approximately constant.
  It destroys the diode.
  It decreases when electric current increases.
  It equals the electric current times the resistance.

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