One small exerts an attractive electromatic force on another sphere. Which of th

Question

One small exerts an attractive electromatic force on another sphere. Which of the following statements is definitely correct? Both sphere are charged. None of the spheres is charged. At least one sphere is charged. Both spheres have the same charge. A point charge q_1 = -2.0 mu C, is located at the origin (0, 0). Another point charge, q_2 = 8.0mu C, is placed on the y-axis at y =-0.50m. What direction is the electric field on the x-axis at 0.5 m? i, j -i, -j i, -j -i, j A uniform charged thin rod of linear charge per unit length, lambda = 5.0 nC/m, lies along the x-axis from x = 5m to x= 8m. the magnitude of the electric field at x = 10m is 9.6 N/C 14 N/C 37 N/C 19 N/C When a negative charge is released and moves along an electric field line, it moves to a position of lower potential and lower potential energy lower potential and higher potential energy. higher potential and lower energy higher potential and higher potential energy. A solid insulating sphere of radius a is concentric with a hollow conducting sphere of inner radius b and outer radius c, where c > b > a, If the solid has a charge +Q and the hollow sphere charge of -Q, the electric field at a radius r, where r > c, is given by which of the following terms of k = (4 pic_0)^-1: kQr.a^2 kQ/r^2 zero 2kQ/r^2

Explanation / Answer

1) Answer A) both are charged, if one is not then the force equation is equal to zero.

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