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Analog Electronics

Analog Electronics
Semiconductor material is

 Pentavalent
 Tetravalent
 Bilateral
 Trivalent

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Analog Electronics
What is the charge of mobile charge carriers of holes ?

 Positively charged
 No charged
None of these
 Negatively charged

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Analog Electronics
Which of the following does not obey the Ohm's law?

 Semiconductor
 Resistor
 Bilateral device
None of these

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Analog Electronics
In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be

 three.
 four.
 two.
 one.

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Analog Electronics
In a bipolar junction transistor the base region is made very thin so that

  base can be easily biased.
  electric field gradient in base is high.
  base can be easily fabricated.
  recombination in base region is minimum.

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Analog Electronics
The current gain of a pnp transistor is

 near zero.
 the negative of the npn current gain.
 the ratio of collector current to emitter current.
 the collector current divided by the emitter current.

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