Anyanwụ na-enwu na semiconductor PN junction, na-akpụ ụzọ oghere-electron ọhụrụ. N'okpuru ọrụ nke ọkụ eletrik nke njikọ PN, oghere na-esi na mpaghara P gaa na mpaghara N, na electron na-esi na mpaghara N na mpaghara P. Mgbe ejikọrọ sekit, ihe dị ugbu a bụ...
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