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Analog Electronics

Analog Electronics
A transistor has how many PN junctions?

 3.
 4.
  2.
 1.

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

None of these
 Reversed biased
 Zero Bias
 Forward biased

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Analog Electronics
Three difference Q points are shown on a load line. The upper Q point represents the

 intermediate current gain.
 cutoff point.
 minimum current gain.
  maximum current gain.

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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

0.25
1
0.5
0.75

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Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1
 1/4
 1/2
 1/3

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 tetravalent impurity
All of these
 trivalent impurity
 pentavalent impurity

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