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Rate of change of concentration per unit length in a semiconductor is called as.

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Rate of change of concentration per unit length in a semiconductor is called as.

(a) Concentration change

(b) Concentration mixture

(c) Concentration gradient

(d) Concentration variant

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I'm obligated to ask this question of Quantitative Theory of the P-N Diode Currents topic in portion Semiconductor-Diode Characteristics of Electronic Devices & Circuits

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The correct option is (c) Concentration gradient

The best explanation: In a semiconductor the holes as well as electrons which are the charge carriers is not equally concentrated on all regions of the semiconductor the change in their rate is referred as concentration gradient.

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