6. Hai điện tích q1 = 2. 10 – 9 C, q 2 = - 8.10 – 9C đặt tại hai điểm A, B trong chân không cách nhau một khoảng AB = 10 cm. Hãy xác định cường độ điện trường tại điểm
a) C với CA = 2 cm, CB = 8 cm.
b) D với DA = 2 cm, DB = 12 cm.
c) M với MA = 6 cm, MB = 8 cnm.
d) N với NA = NB = 10 cm.
Answers: 2
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6. Hai điện tích q1 = 2. 10 – 9 C, q 2 = - 8.10 – 9C đặt tại hai điểm A, B trong chân không cách nha...
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