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For a self-bias circuit, find drain to source voltage if VDD=12V, ID=1mA, Rs=RD=1KΩ?

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For a self-bias circuit, find drain to source voltage if VDD=12V, ID=1mA, Rs=RD=1KΩ?

(a) 1V

(b) 2V

(c) 10V

(d) 5V

This question was posed to me in class test.

Question is from Biasing the FET in portion Field-Effect Transistors of Electronic Devices & Circuits

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Right answer is (c) 10V

Easiest explanation: VDS=VDD-ID (RD+Rs)

=>VDS=12-1mA(1KΩ+1KΩ)

=>VDS=10V.

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