Physics of Semiconductor Devices

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Depletion widths

Without a bias voltage applied, the depletion widths of a p-n diode are Wn = 4.0E-9 m, and Wp = 4.0E-7 m. For this diode, Vbi = 0.8 V. What are the depletion widths when the diode is reverse biased with a voltage of 0.2 V?

Wn = m

Wp = m