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Analog Electronics

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
A 10 V DC regulator power supply has a regulation of 0.005 %. The output voltage will vary within an envelope of __________________ milivolt.

  0.5.
  5.
  2.5.
  0.05.

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Analog Electronics
The main advantage of CMOS is its

  low power consumption.
  switching capability.
  small - signal operation.
  high power rating.

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Analog Electronics
In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be

 two.
 four.
 one.
 three.

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Analog Electronics
The CE amplifier circuit are preferred over CB amplifier circuit because they have

  lower amplification factor.
  high input resistance and low output resistance.
  larger amplification factor.
  none of these.

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  ( VB )2.
  1 / VB.
  ( VB )- 1 / 2.
  VB.

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