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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

0.5
0.75
0.25
1

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  independent of T.
  T2.
  1 / T.
  T.

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Analog Electronics
Piezoelectric effect is utilized in which of the following filter?

  Crystal filter.
 Pass band.
 Ideal filter.
 Band stop.

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Analog Electronics
Which of the following amplifier circuit using junction transistor has the best gain?

All have the same gain
Common base
Common collector
Common emitter

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Analog Electronics
The voltage gain of a loaded differential amp is

  large than the unloaded voltage gain.
  impossible to determine.
  equal to RC / re.
  smaller than the unloaded voltage gain.

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Analog Electronics
Example of donor atom is

 Antimony
 Both A and B
 Germinium
 Silicon

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