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Analog Electronics

Analog Electronics
Silicon and Germanium are ________ elements.

 pentavalant
 trivalant
 tetravalant
 hexavalant

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Analog Electronics
The current gain of a BJT is

gm / r0
gm r0
gm rπ
gm /rπ

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Analog Electronics
In CE configuration, the input V-I characteristics are drawn by taking

  VBE versus IB for constant value of IC.
  VBE versus IE for constant value of VCE.
  VCE versus IC for constant value of IE.
  VBE versus IB for constant value of VCE.

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Analog Electronics
Electrons in p-type material of a semi-conductor are called as

 minority carriers
 either minority carriers or majority carriers
 majority carriers
 valance carriers

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Analog Electronics
Which of the following is not associated with a p-n junction

Channel length modulation
Charge storage capacitance
Depletion capacitance
Junction capacitance

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Analog Electronics
When a reverse bias is applied to a diode, it will

  raise the potential barrier.
  none of these.
  lower the potential barrier.
  increases the majority carrier an electric current greatly.

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