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Analog Electronics

Analog Electronics
Which of the following cannot actually move?

 Holes
 Electrons
 Ions
 All the above

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Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

1
0.5
0.75
0.25

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Analog Electronics
In a N-type semiconductor material holes are ......................

 Minority charge carriers
 Majority charge carriers
 Low charge carriers
 High charge carriers

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Analog Electronics
In deriving ac equivalent circuit for an amplifier circuit we short circuit

All capacitors
All resistors
All inductors
All transistors

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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

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

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Analog Electronics
What is the range of energy band gap of semiconductors ?

 1-3 ev
 14-15 ev
 0 ev
 10-15 ev

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