1. The problem statement, all variables and given/known data http://www.screencast.com/users/trinhn812/folders/Jing/media/8fe997e1-46e5-4033-a246-fbad0acb7162 2. Relevant equations 3. The attempt at a solution I understand that in question 25, the conductor becomes polarized and its negative charges will be more attracted toward the bigger 5uC charge, but what's the reasoning for question 26? I don't get why the answer isn't C. Don't dieletrics kill the electric field?