Lần lượt đặt các điện tích q1,= 1nC, q2= -2nC vào hai điểm A, B cách nhau 20cm trong không khí. Vẽ hình và xác định độ lớn vectơ E tại điểm M nằm trên đường trung trực AB, cách AB 10cm

The optimistic view of human nature held by supporters of the humanistic perspective led to more positive views of human nature throughout the field of psychology.t or f?

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

Properties seen when one one substance changes to another are known as properties