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In a power MOSFET, pinch-off occurs when (VDS is the drain to source voltage, VGS is the gate to source voltage VT is the threshold voltage):
  • a)
    VDS = VGS - VT
  • b)
    VDS ≤ VGS - VT
  • c)
    VGS ≤ VT
  • d)
    VDS ≥ VGS -VT
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
In a power MOSFET, pinch-off occurs when (VDS is the drain to source v...

As shown in the above figure in a power MOSFET, pinch-off occurs when VDS = VGS - VT
Where, VDS = Drain to source voltage
VGS = Gate to source voltage
VT = Threshold voltage
In power MOSFET when VDS < VGS - VT, then power MOSFET works in the triode region.
In power MOSFET when VDS > VGS - VT, then power MOSFET works in the saturation region.
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Community Answer
In a power MOSFET, pinch-off occurs when (VDS is the drain to source v...
= VTc)VDS = VGSd)VDS > VGS - VT
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In a power MOSFET, pinch-off occurs when (VDS is the drain to source voltage, VGS is the gate to source voltage VT is the threshold voltage):a)VDS = VGS - VTb)VDS ≤ VGS - VTc)VGS ≤ VTd)VDS ≥ VGS -VTCorrect answer is option 'A'. Can you explain this answer?
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