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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

None of these
 Conducting
 Insulating
 Doping

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Analog Electronics
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

2.3mA
4.6mA
3.2mA
5.2mA

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  depletion region.
  saturated point.
  pinch-off region.
  breakdown region.

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Analog Electronics
What is the most important fact about the collector current?

 It is measured in milliampere.
 It is small.
  It approximately equals the emitter current.
 It equals the base current divided by the current gain.

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

5KΩ
11KΩ
1/11KΩ
1/5KΩ

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Analog Electronics
How will electrons flow through a p-channel JFET?

  From source to gate.
  From drain to source.
  From drain to gate.
  From source to drain.

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