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  4. In the middle of the depletion layer of a reverse-biased p-n junction, the

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Q. In the middle of the depletion layer of a reverse-biased $p-n$ junction, the

AIEEEAIEEE 2003Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

Due to the reverse biasing, the width of depletion region increases and current flowing through the diode is almost zero. In this case, electric field is almost zero at the middle of the depletion region.