18. [-/1 Points] DETAILS SERPSE10 24.6.P.035.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A spherical conductor has a radius of 14.0 cm and a charge of 60.0 JC. Calculate the electric field and the electric potential at the following distances from the center. (a) r = 8.0 cm magnitude direction electric field MN/C ---Select- electric potential MV ---Select--- (b) r = 22.0 cm magnitude direction electric field MN/C ---Select- 10 electric potential MV --Select- (c) r = 14.0 cm magnitude direction electric field MN/C ---Select- electric potential MV --Select- Need Help? Read It Master It Submit Answer 19. [-/1 Points] DETAILS SERPSE10 24.6.OP.027.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A long, straight metal rod has a radius of 5.40 cm and a charge per unit length of 35.8 nC/m. Find the electric field at the following distances from the axis of the rod, where distances are measured perpendicular to the rod's axis. (a) 1.80 cm magnitude N/C direction ---Select-- (b) 19.0 cm magnitude N/C direction ---Select-- (c) 190 cm magnitude N/C direction ---Select--- Need Help? Read It Master It Submit Answer 20. [-/1 Points] DETAILS SERPSE10 24.6.OP.033.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A thin, square, conducting plate 45.0 cm on a side lies in the xy plane. A total charge of 3.30 x 10-8 C is placed on the plate. You may assume the charge density is uniform. (a) Find the charge density on each face of the plate. c/m2 (b) Find the electric field just above the plate. magnitude N/C direction ---Select- (c) Find the electric field just below the plate. magnitude N/C direction ---Select-- Need Help? Read It Master It21. [-/1 Points] DETAILS SERPSE10 24.6.P.034.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A solid conducting sphere of radius 2.00 cm has a charge of 8.08 JC. A conducting spherical shell of inner radius 4.00 cm and outer radius 5.00 cm is concentric with the solid sphere and has a charge of -1.82 /C. Find the electric field at the following radii from the center of this charge configuration. (a) r = 1.00 cm magnitude N/C direction ---Select--- C (b) r = 3.00 cm magnitude N/C direction ---Select--- (c) r = 4.50 cm magnitude N/C direction ---Select--- (d) r = 7.00 cm magnitude N/C direction ---Select--- Need Help? Read It Master It Submit Answer 22. [-/1 Points] DETAILS SERPSE10 24.A.P.047. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER For the configuration shown in the figure below, suppose a = 5.00 cm, b = 20.0 cm, and c = 25.0 cm. Furthermore, suppose the electric field at a point 12.0 cm from the center is measured to be 3.30 x 105 N/C radially inward and the electric field at a point 50.0 cm from the center is of magnitude 203 N/C and points radially outward. From this information, find the following. (Include the sign of the charge in your answer.) Insulator Conductor (a) the charge on the insulating sphere C (b) the net charge on the hollow conducting sphere C (c) the charge on the inner surface of the hollow conducting sphere C (d) the charge on the outer surface of the hollow conducting sphere C Need Help? Read it Watch It