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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

1
0.5
0.75
0.25

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Analog Electronics
Common emitter current gain hFE of a BJT is

  Dependent on collector current.
 Dependent on collector-emitter voltage.
 Always constant.
 Dependent on base -emitter voltage.

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Analog Electronics
The electric current ICBO flows in the

  emitter and collector leads.
  emitter and base leads.
  none of them.
  collector and base leads.

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Analog Electronics
Silicon and Germanium are ________ elements.

 hexavalant
 pentavalant
 trivalant
 tetravalant

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Analog Electronics
If the base resistor has zero resistance, the transistor will probably be

  destroyed.
 saturated.
None of these
 in cutoff.

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Analog Electronics
A forward potential of 10 V is applied to a silicon diode. A resistance of 1KΩ is also in series with the diode. The electric current is

  0.7 mA.
  9.3 mA.
  10 mA.
  0.

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