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Analog Electronics

Analog Electronics
The forbidden energy gap between valance band and conduction band in semiconductor material is about

None of these
 1eV
 15 eV
 0 eV

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Analog Electronics
The arrow direction in diode symbol indicates

  none of these.
  direction of hole flow.
  opposite to the direction of hole flow.
  direction of electron flow.

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Analog Electronics
Avalanche breakdown in a diode occurs when

  reverse bias exceeds a certain value.
  potential barrier is reduced to zero.
None of these
  forward electric current exceeds certain value.

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Analog Electronics
In the constant-current region, how will the IDS change in an n-channel JFET?

  As VGS decreases ID remains constant.
  As VGS increases ID increases.
  As VGS decreases ID decreases.
  As VGS increases ID remains constant.

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Analog Electronics
What will be the Potential barrier for Ge Diode ?

 0.03V
 0.7V
 0.3V
 0.5V

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Analog Electronics
What is the range of energy band gap of semiconductors ?

 1-3 ev
 14-15 ev
 10-15 ev
 0 ev

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