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Analog Electronics

Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

None of these
 intrinsic
 doping
 extrinsic

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Analog Electronics
A JFET has disadvantage of

  possessing positive temperature coefficient.
  having small gain-bandwidth product.
  having low input impedance.
  being noisy.

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Analog Electronics
Most of the electrons in the base of an NPN transistor do not recombine because they

 flow out of the base.
 have a negative charge.
  have a long lifetime.
 must flow through the base.

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Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

  Not determine
 Larger
 Medium
 Smaller

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Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 1.6V
 0.3V
 1.5V
 0.7V

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Analog Electronics
In a rectifier circuit, the diode converts

 alternating voltage to direct current.
 alternating current to direct voltage.
 alternating voltage to direct voltage.
 both (A) and (C) options are connect.

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