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Analog Electronics

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

 Kilo Ohm
 Ohm
None of these
 Mega Ohm

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  T2.
  independent of T.
  1 / T.
  T.

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Analog Electronics
The base - emitter voltage is usually

 more than the base supply voltage.
  less than the base supply voltage.
 equal to the base supply voltage.
 none of these.

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Analog Electronics
The fact that there are many free electrons in a transistor emitter region means the emitter is

 lightly doped.
 undoped.
None of these
  heavily doped.

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Analog Electronics
Energy gap of conductor is

 1 - 2 eV.
 8 eV.
 5 - 8 eV.
 0 eV.

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Analog Electronics
When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

  Load current.
  Series current.
  None of these.
  Zener current.

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