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Analog Electronics

Analog Electronics
The base-emitter voltage of an ideal transistor is

 0.7 V.
 1 V.
  0 V.
 0.3 V.

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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
0.75
1
0.25

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Analog Electronics
The base of an npn transistor is thin and

 doped by a pentavalent material.
 metallic.
 heavily doped.
  lightly doped.

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

  3.1 A.
 3 A.
 3.33 mA.
 10 A.

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

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

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Analog Electronics
The opamp can amplify

  neither AC not DC signals.
  DC signals only.
  AC signals only.
  both AC and DC signals.

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