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- https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Introductory_Physics_II_(1112)/zz%3A_Back_Matter/10%3A_13.1%3A_Appendix_J-_Physics_Formulas_(Wevers)/1.15%3A_Quantum_Field_Theory_and_Particle_PhysicsQuantum field theory, field quantization, Klein Gordon equation, standard model
- https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_II_-_Thermodynamics_Electricity_and_Magnetism_(OpenStax)/05%3A_Electric_Charges_and_Fields/5.05%3A_Electric_FieldThe electric field, which is independent of the test charge. It only depends on the configuration of the source charges, and once found, allows us to calculate the force on any test charge.
- https://phys.libretexts.org/Courses/Bowdoin_College/Phys1140%3A_Introductory_Physics_II%3A_Part_1/02%3A_Electric_Fields/2.02%3A_Electric_FieldThe electric field, which is independent of the test charge. It only depends on the configuration of the source charges, and once found, allows us to calculate the force on any test charge.
- https://phys.libretexts.org/Courses/Grand_Rapids_Community_College/PH246_Calculus_Physics_II_(2025)/01%3A_Electric_Charges_and_Fields/1.05%3A_Electric_FieldThe electric field, which is independent of the test charge. It only depends on the configuration of the source charges, and once found, allows us to calculate the force on any test charge.
- https://phys.libretexts.org/Courses/Muhlenberg_College/Physics_122%3A_General_Physics_II_(Collett)/01%3A_Electric_Charges_and_Fields/1.05%3A_Electric_FieldThe electric field, which is independent of the test charge. It only depends on the configuration of the source charges, and once found, allows us to calculate the force on any test charge.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/PHYS202_-_JJC_-_Testing/03%3A_Conceptual_Objective_3/3.01%3A_Electric_FieldThe electric field, which is independent of the test charge. It only depends on the configuration of the source charges, and once found, allows us to calculate the force on any test charge.
- https://phys.libretexts.org/Learning_Objects/A_Physics_Formulary/Physics/15%3A_Quantum_Field_Theory_and_Particle_PhysicsQuantum field theory, field quantization, Klein Gordon equation, standard model
- https://phys.libretexts.org/Bookshelves/Classical_Mechanics/Variational_Principles_in_Classical_Mechanics_(Cline)/19%3A_Mathematical_Methods_for_Classical_Mechanics/19.08%3A_Appendix_-_Vector_Differential_CalculusThis appendix reviews vector differential calculus which is used extensively in both classical mechanics and electromagnetism.
- https://phys.libretexts.org/Courses/Georgia_State_University/GSU-TM-Physics_II_(2212)/03%3A_Electrostatics_-_Charges_Forces_and_Fields/3.04%3A_Electric_FieldIn addition, the direction of the field vector is radially away from the source charge, because the direction of the electric field is defined by the direction of the force that a positive test charge...In addition, the direction of the field vector is radially away from the source charge, because the direction of the electric field is defined by the direction of the force that a positive test charge would experience in that field. (Again, keep in mind that the actual field is three-dimensional; there are also field lines pointing out of and into the page.)
- https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/02%3A_The_Electric_Field/2.04%3A_Electric_Fields_and_ForcesEach electric charge is associated with an electric field. The electric field only depends on the configuration and size of the source charges. Once the electric field is found, it allows us to calcu...Each electric charge is associated with an electric field. The electric field only depends on the configuration and size of the source charges. Once the electric field is found, it allows us to calculate the force on any test charge. The electric force between two point charges is described by Coulomb's Law.
