The energy density of the electric field between two large non-conducting plates with surface area A=0.25m² and equal but opposite charges Q=75µC can be calculated using the formula for energy density, which is given by u = (1/2)εE². The electric field E between the plates can be determined using E = σ/ε, where σ is the surface charge density. This discussion emphasizes the importance of demonstrating an attempt to solve the problem before seeking help in forums.
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Exactly. In addition, please use the homework template.darkxponent said:Hi pr_angeleyes
Welcome to PF. This is not the way you are allowed to ask for help at PF.
Read this: The How to Ask For Help Forum https://www.physicsforums.com/showthread.php?t=686781
In short, first you have to show some attempt to get any help!