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A potential barrier of 0.50 V exists across a p-n junction. (a) If the depletion region is 50 x 10 m wide, what is

A potential barrier of 0.50 V exists across a p-n junction. (a) If the depletion region is 50 x 10 m wide, what is the intensity of the electric field in this region? (b) An electron with speed 5.0 x 10 ms approaches the p-n junction from the n-side. With what speed will it enter the p-side?

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