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Physics, 28.11.2021 09:10 Annapetrik
Một vòng dây tròn bán kính r = 4cm tích điện với điện tích tổng cộng
Q = 1/9. 10-8C. Tính điện thế tại:
a) Tâm vòng dây.
b) Một điểm trên trục vòng dây cách tâm một khoảng h = 3 cm.
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Một vòng dây tròn bán kính r = 4cm tích điện với điện tích tổng cộng
Q = 1/9. 10-8C. Tính điện thế...
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