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Neelam Mittal • 4.57K Points
Extraordinary

Q. To use FET as a voltage controlled resistor, in which region it should operate ?

  • (A) Ohmic region
  • (B) cut off
  • (C) Saturation
  • (D) cut off and saturation
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Explanation by: Neelam Mittal
By varying the gate to source voltage, Resistance can be varied as follows rd = ro/(1-Vgs/Vp)2

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