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Analog Electronics

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

None of these
 Semiconductor
 Resistor
 Bilateral device

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Analog Electronics
Silicon has

 four valence electrons.
 two valence electrons.
 eight valence electrons.
 none of above.

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Analog Electronics
What is the input impedance of a common-gate configured JFET?

  Very low.
  High.
  Very high.
  Low.

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Analog Electronics
MOSFET uses the electric field of

  both (A) and (B).
  barrier potential of p-n junction to control the channel current.
  gate capacitance to control the channel current.
  none of these.

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Analog Electronics
In a normally biased npn transistor, the electrons in the emitter have enough energy to overcome the barrier potential of the

 collector - base junction.
 base - collector junction.
 recombination path.
  base - emitter junction.

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Analog Electronics
Donors to a semiconductor material is

 Trivalant
 Tetravalant
 Pentavalant
 Divalant

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