At each point on the surface of the cube shown in the figure the electric field is parallel to the z axis. The length of each edge of the - 40k N/C and on the bottom face it is É = + 16k N/C. cube is 2.9 m. On the top face of the cube the electric field É = Determine the net charge contained within the cube.

Question 42 The figure below shows a solid insulating sphere with radius R = 5.00 cm. Upon inspection, the electric field at a distance r = 7.00 cm from the center of the insulating sphere is +240. kN/C. Assuming that the charges are evenly distributed throughout the volume of the insulating sphere, what is its volume charge density? ( €0 = 8.854 x 10-¹2 c²/N-m²) + + + + + O +46.5 O +250. + O +46.5 + + + none of the given choices μC m³- PC nC m³ + O +2.50 nC m³ + +R+ + + + + + + +

The following information is given about the insulating sphere and the conductive spherical shell in the figure: a = 5 cm, b = 20 cm, c = 25 cm. The electric field at a distance of 10 cm from the center is 3.6x10 ^3 N / C and radially inward. At a distance of 50 cm from the center, the electric field is 2.0x102 N/ C radially outward. What is the charge on the insulating sphere nc? Insulator A) -5 C) -4 Conductive B) -3 D) -2 E) -1

The charges in the figure are q1=q2= +e and q3=+2e. The distance a= 6.00μm. a) The horizontal component of the net electric field at point P is: _____i N/C. b) The vertical component of the net electric field at point P is:______j N/C. c) The magnitude of the net electric field at point P is:_____ j N/C. d) La dirección del campo Eléctrico neto en el punto P respecto al eje x+ es:______°