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Analog Electronics

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

 decrease.
All of these
 stay the same.
  increase.

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

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

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Analog Electronics
The β of a transistor may be determined directly from the curve plotted between

  VCE and IC for constant IE.
  VBE and IE for constant VCE.
  VCE and IC for constant IB.
  VCE and IE for constant IB.

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Analog Electronics
Class AB operation is often used in power large signal) amplifiers in order to

Overcome a crossover distortion
Reducing collector dissipation
Get maximum efficiency
Remove even harmonics

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Analog Electronics
Which is the pair of acceptor elements ?

None of these
 Antimony and indium
 Phosphorous and aluminium
 Gallium and boron

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Analog Electronics
Which of these is the best description of a zener diode?

  It is a constant electric current device.
  It is a rectifier diode.
  It works in the forward region.
  It is a constant voltage device.

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