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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

 one.
 four.
 three.
 two.

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Analog Electronics
Semiconductor material is

 Bilateral
 Tetravalent
 Trivalent
 Pentavalent

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Analog Electronics
The gate controls

  all of them.
  the gate voltage.
  the width of the channel.
  the drain current.

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Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  heat sink.
  drain.
  block.
  gate.

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Analog Electronics
When VGS = 0 V, a JFET is

  an analog device.
  cut off.
  saturated.
  an open switch.

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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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