This series of posts provides a comprehensive overview of electric fields, covering their definition, representation by electric field lines, calculation of magnitude and direction, and applications in various fields. The series also explores the concept of electric field strength, its relationship to the magnitude of the electric field, and real-world applications in particle accelerators, capacitor technologies, and electronic devices. Additionally, it touches upon the concept of electric potential and its connection to electric fields. The posts aim to deliver clear explanations, relevant equations, and practical examples for a thorough understanding of electric fields.