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Analog Electronics

Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 intrinsic
None of these
 doping
 extrinsic

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Analog Electronics
What is an energy gap?

 Space between two orbital shells
 Energy level at which an electron can exist
None of these
 Energy band in which electrons can move freely

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Analog Electronics
The opamp can amplify

  AC signals only.
  DC signals only.
  neither AC not DC signals.
  both AC and DC signals.

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

None of these
  heavily doped.
 undoped.
 lightly doped.

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Analog Electronics
The main advantage of CMOS is its

  low power consumption.
  switching capability.
  small - signal operation.
  high power rating.

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Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

  Not determine
 Larger
 Medium
 Smaller

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