{"type":"rich","version":"1.0","title":"MNAAPT-robphy-1120-LAB06-ElectricPotentialAndField-with-calculus","html":"<iframe src=\"https://www.desmos.com/calculator/3bne9uok0e?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}