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Analog Electronics

Analog Electronics
If the base resistor is open, what is the collect current?

 2 mA.
  0 mA.
 10 mA.
 1 mA.

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Analog Electronics
The biasing circuit that gives best stability to Q point is

  base resistance biasing.
  feedback resistor biasing .
  emitter resistor biasing.
  potential divider biasing.

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Analog Electronics
Doping in a semiconductor increases which quantity

 Conductance
 None
 Inductance
 Resistance

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Analog Electronics
The base of an npn transistor is thin and

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

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Analog Electronics
Which is the pair of acceptor elements ?

None of these
 Phosphorous and aluminium
 Gallium and boron
 Antimony and indium

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Analog Electronics
A quartz crystal oscillator consists of

 only series resonant frequency.
 only parallel resonant frequency.
 neither series nor parallel frequency.
 both series and parallel frequencies.

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