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Analog Electronics

Analog Electronics
In an E only MOSFET, drain electric current starts only when VGS (th) is

  negative.
  greater than VGS (th).
  positive.
  zero.

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Analog Electronics
In the constant-current region, how will the IDS change in an n-channel JFET?

  As VGS increases ID remains constant.
  As VGS decreases ID decreases.
  As VGS increases ID increases.
  As VGS decreases ID remains constant.

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Analog Electronics
Which of the following is not a sinusoidal oscillator?

 Crystal oscillator
 LC oscillator
 RC phase shift oscillator
 Relaxation oscillator

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Analog Electronics
Secondary breakdown occures in

  BJT but not is MOSFET.
 MOSFET but not in BJT.
 Both BJT and MOSFET.
 None of these.

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Analog Electronics
The voltage follower has a

  large closed - loop output impedance.
  closed - loop voltage gain of unity.
  closed - loop bandwidth of zero.
  small open - loop voltage gain.

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Analog Electronics
The base of an npn transistor is thin and

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

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