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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Kilo Ohm
None of these
 Ohm
 Mega Ohm

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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

1
0.25
0.5
0.75

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Analog Electronics
The major advantage of a photo transistor as compared to a photo diode is its

  increased sensitivity.
 durability.
 response to higher frequencies.
 AC operation.

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Analog Electronics
Which of these is the best description of a zener diode?

  It is a rectifier diode.
  It works in the forward region.
  It is a constant voltage device.
  It is a constant electric current device.

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Analog Electronics
Which is the factor on which total number of electrons in an atom depends ?

 atomic size
 atomic number
None of these
 atomic weight

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Analog Electronics
The biasing circuit that gives best stability to Q point is

  potential divider biasing.
  base resistance biasing.
  feedback resistor biasing .
  emitter resistor biasing.

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