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Analog Electronics

Analog Electronics
When were the first solid state devices manufactured ?

 1950
 1960
 1940
 1970

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Analog Electronics
Which of the following is expected to have highest input impedance?

  JEFT amplifier.
  MOSFET.
  Common collector bipolar transistor
  CE bipolar transistor.

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Analog Electronics
When the pn junction is forward biased the sequence of events that take place are

  none of above.
  injection, diffusion and recombination.
  diffusion, drift and recombination.
  diffusion, injection and drift.

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Analog Electronics
A JFET has disadvantage of

  having low input impedance.
  having small gain-bandwidth product.
  possessing positive temperature coefficient.
  being noisy.

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Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Mega Ohm
 Kilo Ohm
None of these
 Ohm

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  ( VB )- 1 / 2.
  1 / VB.
  VB.
  ( VB )2.

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