35.  Consider an abrupt PN junction (at T = 300 K) shown in the figure. The depletion region width Xn  on the N-side of the junction is 0.2 µm and the permittivity of silicon (εsi ) is 1.044×10-12 F/cm. At the junction, the approximate value of the peak electric field (in kV/cm) is _________.

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