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Physics, 31.10.2021 07:10 payshencec21

Một điện tích q=20uc trong chân không a) tìm cường đọ điện trường tại M cách A đoạn 40cm
b) điện chế tại A là 10V. Thế năng tại tại A bằng bao nhiêu

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Một điện tích q=20uc trong chân không a) tìm cường đọ điện trường tại M cách A đoạn 40cm
b)...
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