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Analog Electronics

Analog Electronics
The most commonly used semiconductor is

 Sulphur
 Carbon
 Germanium
 Silicon

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Analog Electronics
The first step in analyzing emitter-based circuits is to find the

 supply current.
 collector current.
 base current.
  emitter current.

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Analog Electronics
Increasing the collector supply voltage will increase

 collector current.
 base current.
 emitter current.
None of these

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Analog Electronics
A common - mode signal is applied to

  the non - inverting input.
  the top of the tail resistor.
  the inverting input.
  both inputs.

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

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

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Analog Electronics
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

25 Ω & 16.7 %
5 Ω & 16.7 %
25 Ω & 20 %
5 Ω & 20 %

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