Question: Define graded potential. ?(Module 11.9A) Graded potential is the resting speed a cell can propagate electrical impulses. Graded potential is the change in charge across the inner and outer membrane of a cell. Graded potential is the minimum ability of a cell to generate electrical impulses. Graded potential is a? temporary, localized change in the potential of a cell. Graded potential is the membrane potential of an unstimulated cell. Need Assignment Help?