How to answer the hardest FIELDS questions (A-level physics)

Electric fields are SO abstract, and questions contain a lot of graphs. So here's a walkthrough of some common types of fields exam questions - enjoy! #physics #alevel #electric #fields #question 00:00 Intro 00:14 Coulomb's law & potential graph 09:41 Electric field strength graph 18:38 Charge of a sphere (E-r graph) 24:25 Resultant electric fields