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Analog Electronics

Analog Electronics
Which of the following cannot actually move?

 Ions
 Holes
 All the above
 Electrons

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Analog Electronics
A electric current ratio of IC / IE is usually less than one and is called

  β.
  ω.
  α.
  θ.

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Analog Electronics
CMOS stands for

  p - channel and n - channel devices.
  active - load switching.
  complementary MOS.
  common MOS.

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 is zero.
 decreases by a factor of 6.
  remains almost the same.
 increases by a factor of 6.

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Analog Electronics
Which of the following is a semiconductors material ?

 Si
 Ge
 GaAs
 All the above

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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

11KΩ
5KΩ
1/5KΩ
1/11KΩ

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