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For a MOSFET Vgs=3V, Idss=5A, and Id=2A. Find the pinch of voltage Vp

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For a MOSFET Vgs=3V, Idss=5A, and Id=2A. Find the pinch of voltage Vp

(a) 4.08

(b) 8.16

(c) 16.32

(d) 0V

I have been asked this question at a job interview.

This intriguing question originated from MOSFETs-2 in portion Power Electronics Devices of Power Electronics

1 Answer

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by (45.1k points)
The correct option is (b) 8.16

Easy explanation: Use Id = Idd x [1-Vgs/Vp]^2.

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