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Analog Electronics

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

  θ.
  α.
  ω.
  β.

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Analog Electronics
The base of an npn transistor is thin and

 heavily doped.
 metallic.
 doped by a pentavalent material.
  lightly doped.

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Analog Electronics
A semiconductor diode is

 non-linear device
 linear device
 a processing device
 bilateral device

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

 high.
 unknown.
 unchanged.
  low.

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Analog Electronics
When a reverse bias is applied to gate of JFET the depletion region width

None of these
  is wider near the source and tapers near the drain.
  is wider near the drain and tapers near source.
  is uniform in the channel.

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 100 KHz to 500 MHz
 1MHz to 500 MHz
 1MHz to 100 GHz
 1 KHz to 1 MHz

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