Official PYQ · 2005Set 1 · Q45MCQ1 mark

GATE EC 2005 Set 1 Q45 — Electronic Devices

A Silicon PN junction diode under reverse bias has depletion region of width $10 \; \mu \mathrm{m}$ . The relative permittivity of Silicon, $\varepsilon_{r}=11.7$ and the permittiveity of free space $\varepsilon_{0}=8.85 \times 10^{-12} \mathrm{~F/m}$ . The depletion capacitance of the diode per square meter is

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Published 10 Oct 2026

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