Transition capacitance of a diode is directly proportional to ____________(a) Area of cross section(b) Width of depletion region(c) Reverse voltage applied across the terminals(d) Drift currentI had been asked this question by my college professor while I was bunking the class.The above asked question is from Transition Capacitance topic in section Diode Circuit of Analog Circuits

Transition capacitance of a diode is directly proportional to ________

1.	Transition capacitance of a diode is directly proportional to ____________(a) Area of cross section(b) Width of depletion region(c) Reverse voltage applied across the terminals(d) Drift currentI had been asked this question by my college professor while I was bunking the class.The above asked question is from Transition Capacitance topic in section Diode Circuit of Analog Circuits
Answer» The correct OPTION is (a) Area of cross section To explain: 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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