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The Shockley equation is __________________

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The Shockley equation is __________________

(a) ID = (1 – Vgs/Vp)^2

(b) ID = IDSS (1 – Vgs/Vp)^2

(c) ID = IDSS (1 – Vgs/Vp)^1

(d) ID = IDSS (1 + Vgs/Vp)^2

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This intriguing question originated from The Junction Field-Effect Transistor in division Field-Effect Transistors of Electronic Devices & Circuits

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Right answer is (b) ID = IDSS (1 – Vgs/Vp)^2

Easy explanation: By using the diode equation Shockley derived the equation between the drain current and voltage Vgs.

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