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Analog Electronics

Analog Electronics
The forbidden energy gap between valance band and conduction band in semiconductor material is about

 0 eV
 15 eV
 1eV
None of these

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Analog Electronics
A LED produces light when

  unbiased.
  reverse biased.
None of these
  forward biased.

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Analog Electronics
The collector characteristics of a common - emitter connected transistor may be used to find its

  output resistance .
  base current.
  input resistance.
  voltage gain.

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Analog Electronics
The common-mode voltage gain is

  smaller than the voltage gain.
None of these
  equal to the voltage gain.
  greater than the voltage gain.

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Analog Electronics
The conduction loss verses device current characteristics of power MOSFET in best approximately by

 a straight line.
 a parabola.
 a rectangular hyperbola.
 an exponentially decaying function.

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Analog Electronics
At the unity-gain frequency, the open-loop voltage gain is

  AV(mid).
  zero.
  very large
  1.

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