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Analog Electronics

Analog Electronics
Which types of device is the diode ?

 Conductor
 Insulator
 Semiconductor
None of these

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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

0.75
1
0.5
0.25

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  high - purity silica.
  high - purity silicon.
  heavily doped poly crystalline silicon.

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

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

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Analog Electronics
An instrumentation amplifier has a high

  output impedance.
  power gain.
  supply voltage.
  CMMR.

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Analog Electronics
Why holes are not created in a metal ?

None of these
 The conduction band and valance band are overlapped
 The forbidden band is missing
 Both 1 & 2

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