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Analog Electronics

Analog Electronics
The base-emitter voltage of the second approximation is

 1 V.
  0.7 V.
 0.3 V.
 0 V.

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Analog Electronics
When the base resistor increases, the collector voltage will probably

 decrease.
  increase.
 stay the same.
All of these

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

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

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Analog Electronics
When the drain saturation electric current is less than IDSS a JFET acts like a

  current source.
  resistor.
  BJT.
  battery.

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Analog Electronics
Which of the following is the pentavalent material ?

 Neon
 Gallium
 Arsenic
 Boron

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

A unity gain inverting amplifier
An inverting amplifiers with a gain of 100
An inverting amplifier with a gain of 10
A unity gain non-inverting amplifier

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