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Analog Electronics

Analog Electronics
In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be

 four.
 two.
 three.
 one.

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

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

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

 unchanged.
 unknown.
  high.
 low.

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Analog Electronics
Energy gap of semiconductor is approx

 0 eV.
 > 8 eV .
 1 eV.
 5 - 8 eV.

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Analog Electronics
Which of the following is not associated with a p-n junction

Charge storage capacitance
Depletion capacitance
Channel length modulation
Junction capacitance

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Analog Electronics
In a JFET, the primary control on drain electric current is exerted by

  gate reverse bias.
  channel resistance.
  voltage drop across channel.
  size of depletion regions.

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