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HienKietLB
2 năm trước
Minh ghi lộn câu hỏi Toán học Hai điện tích q1 = -10-8 C, q2 = 10-8 C đặt tại A và B trong không khí, AB = 6 cm. a. Xác định vectơ cường độ điện trường tại M nằm trên đường trung trực của AB cách AB 4 cm. b. Trên đường trung trực của AB xác định vị trí điểm N tại đó điện trường có độ lớn cực đại?
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