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basic b\w of cut off voltage and potential deffrence?
 

anikesh yadav , 6 Years ago
Grade 12
anser 1 Answers
Arun

Last Activity: 6 Years ago

In short, threshold voltage(cut off voltage) is a specific form of a potential barrier. LetssaypaisatapotentialVaandpbisisatapotentialVb,whereVb>Va.ThenthepotentialˉrierbetweenthemisVb-Va.Thresholdvo<aismorespecificallyusedcaseofadiodeoratransisr.Thegatebias(caseofaMOSFET)orforwardbias(caseofaPNjunctiondiode)requiredovercomeacertapotentialˉrierturnONthedevice.However,therecentshortchaeldevices,tuelgcanourbeforeyoureachthethresholdvo<a.T^s altogether a different issue, though.

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