Transition capacitance of a diode is inversely proportional to __________(a) Area of cross section(b) Width of depletion region(c) Relative permittivity(d) Drift currentI got this question during an internship interview.The origin of the question is Transition Capacitance in division Diode Circuit of Analog Circuits

Transition capacitance of a diode is inversely proportional to _______

1.	Transition capacitance of a diode is inversely proportional to __________(a) Area of cross section(b) Width of depletion region(c) Relative permittivity(d) Drift currentI got this question during an internship interview.The origin of the question is Transition Capacitance in division Diode Circuit of Analog Circuits
Answer» The correct answer is (b) Width of depletion region Best explanation: TRANSITION capacitance is the capacitance EXHIBITED by a diode DUE to the p-side and n-side of the diode is separated by a DISTANCE of depletion width same as in an electrolytic capacitor. The EQUATION of transition capacitance = ƸA/W Where Ƹ = permittivity of the material of diode, W = depletion width A = area of cross section.

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