3. [-/0 Points] DETAILS OSUNIPHYS1 23.2.WA.020.TUTORIAL. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Determine the net charge inside a cube placed in a region with an electric field E = [6.001 + 7.00j + ((2.80 m1)z + 4.00)k] N/C. Each side of the cube has a length _ = 2.32 m. nc Additional Materials Reading & Tutorial 4. [-/2 Points] DETAILS OSUNIPHYS1 23.4.WA.032. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A point charge is located at the center of a conducting spherical shell with inner radius of R, and outer radius of R2. The figure to the right is a plot of the net flux versus the distance r from the center. (10 N.m/c) 44 22 11 R, - r (m) (a) Determine the magnitude and sign of the point charge at the center of the shell. C (b) Determine the charge on the spherical shell. C Additional Materials Reading