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Analog Electronics

Analog Electronics
The barrier potential across each silicon depletion layer is

  0.7 V.
 1 V.
 0 V.
 0.3 V.

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

 Zero Bias
None of these
 Reversed biased
 Forward biased

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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
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
In a JFET, the primary control on drain electric current is exerted by

  channel resistance.
  voltage drop across channel.
  gate reverse bias.
  size of depletion regions.

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 low.
  high.
 unchanged.
 unknown.

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