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Analog Electronics

Analog Electronics
Semiconductor material is

 Bilateral
 Pentavalent
 Trivalent
 Tetravalent

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Analog Electronics
The Barkhausen criterion for an oscillator

 The phase of a feedback signal with respect to input should be 0° or 360°
 Both A and C
 Loop gain should be unity
 Loop gain should be less than unity

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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

0.5
0.25
1
0.75

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Analog Electronics
Leakage electric current in CE configuration is

  very high.
  normal.
  very small.
  not present.

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Analog Electronics
Conduction electrons have more mobility than holes because they

 have negative charge
 are free
 need less energy to move them
None of these

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Analog Electronics
Electrons in p-type material of a semi-conductor are called as

 either minority carriers or majority carriers
 majority carriers
 valance carriers
 minority carriers

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