Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

None of these
 Fermi level raises
 Fermi level fall
 Fermi level not change

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Analog Electronics
Pinch-off voltage in a JFET is

 the gate to source voltage that gives unity drain current.
 the gate to source voltage that gives zero drain current.
 the drain voltage that gives infinite drain current.
 the drain voltage that gives zero drain current.

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