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Physics, 06.11.2021 01:00 nathangirnet
Một quả cầu nhỏ mang điện tích Q=2*10^-7 đặt tại điểm O trong không khí
a, tính vecto cường độ điện trường EM tại điểm M cách quả cầu là 10cm
b, xác định lực điện F do quả cầu tác dụng lên điện tích q= -10^-7 đặt tại M
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Một quả cầu nhỏ mang điện tích Q=2*10^-7 đặt tại điểm O trong không khí
a, tính vecto cường độ điệ...
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