The discussion focuses on the derivation of capacitance for a cylindrical capacitor, specifically addressing the transition between steps in the derivation. Participants clarify that the radial electric field, denoted as ##E_r##, is replaced with the expression for the electric field outside a very long rod, as referenced in equation 23.8 of the relevant textbook. This substitution is crucial for understanding the capacitance calculation in cylindrical geometries.
PREREQUISITESStudents and professionals in electrical engineering, physicists, and anyone involved in the study of capacitors and electric fields, particularly those focusing on cylindrical geometries.
Thank you @kuruman !kuruman said: