11. [-/1 Points] DETAILS OSUNIPHYS1 24.5.P.063. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Two parallel plates 15 cm on a side are given equal and opposite charges of magnitude 5.5 x 10-9 C. The plates are 3.5 mm apart. What is the potential difference between the plates (in V)? (Enter the magnitude.) Additional Materials Reading Submit Answer 12. [-/1 Points] DETAILS OSUNIPHYS1 24.5.P.065. MY NOTES ASK YOUR TEACHER Concentric conducting spherical shells carry charges Q and -Q, respectively. The inner shell has negligible thickness. What is the potential difference between the shells? (Use the following as necessary: k, Q, a, and b.) - O V(b) - V(a) = Additional Materials Reading Submit Answer 13. [-/2 Points] DETAILS OSUNIPHYS1 24.5.WA.049. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The equipotential lines in a region of electric field are shown in the diagram below. For each path indicated below, what is the work do by the electric field in moving a charge q = +7.5 x 10" C along that path? Here Vo = +200 V. 3Vo D 2VO Vo - Vo OV -2V -3V (a) from A to B WAB = (b) from A to C WAC = (c) from A to D WAD = (d) from D to C WDC = Additional Materials Reading