Duration 11:20

وحدات القياس (5) الامبير وحدة قياس شدة التيار 新加坡

by أحمد أبوالعلا

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Published 27 Aug 2021

Credit: NIST @https://www.nist.gov/ --------------------------------------------------------------------------------------- :المصادر https://www.nist.gov/si-redefinition/ampere-introduction -----------------------------------------------------------------------------------------

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