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Analog Electronics

Analog Electronics
The number of valence electrons in silicon atom are :

 4
 2
 1
 3

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  depletion region.
  pinch-off region.
  saturated point.
  breakdown region.

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Analog Electronics
Which of the following does not obey the Ohm's law?

 Resistor
 Semiconductor
 Bilateral device
None of these

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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
If the base supply voltage increase, the Q point moves

 nowhere.
 off the load line.
  up.
 down.

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Analog Electronics
Which are the ways to convert an alternating current into a direct current ?

 All the above.
 Bridge Full-wave rectification.
 Half-wave rectification.
 Center-Taped Full-wave rectification.

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