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ifos • paper_2 • solid_state_electronicsifos-2021-subject-08-004

JFET — UPSC IFoS 2021 Physics PYQ

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When is the channel of a JFET said to be pinched off ? Define the pinch-off voltage. Give the relationship between the pinch-off voltage, the saturation voltage and the gate-source voltage. Sketch the depletion region before and after pinch-off.

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