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Analog Electronics

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

  2.
  1.
  3.
  4.

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 decreases by a factor of 6.
 is zero.
  remains almost the same.
 increases by a factor of 6.

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Analog Electronics
The voltage across the zener resistance is usually

  subtracted from the breakdown voltage.
  large.
  small.
  measured in volts.

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Analog Electronics
Class B amplifier is biased

 nearly twice cut-off.
 at midpoint of load line.
None of these
 just at cut-off.

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  heavily doped poly crystalline silicon.
  epitaxially grown silicon.
  high - purity silicon.
  high - purity silica.

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Analog Electronics
The following are the necessary requirements of an oscillator

 Both A and B
 Power stability
 Frequency stability
 Amplitude stability

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