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Analog Electronics

Analog Electronics
When VGS = 0 V, a JFET is

  an analog device.
  an open switch.
  cut off.
  saturated.

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

 0.07 V
 0.3 V
 0.05 V
 0.7 V

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Analog Electronics
What is an energy gap?

None of these
 Space between two orbital shells
 Energy band in which electrons can move freely
 Energy level at which an electron can exist

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Analog Electronics
In a p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at

The p⁺n junction
The edge of the depletion region on the n-side
The center of the depletion region on the n-side
The edge of the depletion region on the p-side

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Analog Electronics
If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to

  10 V.
  14 V.
  18 V.
  0.7 V.

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Analog Electronics
A D - MOSFET can operate in the

  depletion - mode or enhancement - mode.
  depletion - mode only .
  low - impedance.
  enhancement - mode only.

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