Physics, 06.08.2021 05:20, stephanieyingepbtcf8

Hai quả cầu kim loại có bán kính r bằng nhau và bằng 2,5 cm đặt cách nhau 1 m, điện thế của các quả cầu lần lượt là 1200 V và -1200 V. Tính điện tích của mỗi quả cầu.

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Hai quả cầu kim loại có bán kính r bằng nhau và bằng 2,5 cm đặt cách nhau 1 m, điện thế của các quả...