Menu (linked Index) Faraday’s Law and Lenz’s Law Last Update: Sept 26, 2025 Introduction Magnetic Flux Faraday’s Law (The Flux Rule) Coil in a Magnetic Field Lenz’s Law EMF for a Closed Conducting Loop Motional EMF: Moving Coil and Stationary Magnetic Field Motional EMF: Expandable Coil in Constant Magnetic Field Transformer EMF: Stationary Coil in […]
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Menu (linked Index) Ampère – Maxwell Equation Last Update: September 23, 2025 Introduction Set Up: Closed Circuit with Capacitor Ampere’s Law Applied to a Flat Surface Ampere’s Law Applied to Cylindrical Surface Ampere-Maxwell Law Appendix 1: Maxwell’s Derivation of Ampere Maxwell Law Introduction The Ampère – Maxwell equation, ∮B̄•dL̄ = μ0Ienc + (μ0)(ε0)dΦE/dt , is one
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Menu (linked Index) Capacitance Last Update: September 21,2025 Introduction Capacitance Equation Derivation Introduction Capacitors are fundamental electronic components that store electrical energy. In a simple parallel-plate capacitor, this energy is stored in an electric field between two conducting plates. This blog post will explore the core principles behind capacitors, showing how the charge (Q) stored
Menu (linked Index) Electric Field of a Charged Infinite Plane Last Update: September 20, 2025 Introduction Computation Set Up Equation Development Integration Appendix 1: Symmetry in a Uniformly Charged Plane Appendix 2: Coulomb’s Law Introduction The magnitude of the electric field E of a uniformly charged infinite plate (plane) is Total E = 2(k)(π)(σ) = (σ)/(2εo) =
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Menu (linked Index) Current and Magnetic Field Right Hand Rule Examples Last Update: September 17,2025 Introduction Right Hand Rule Shape of a Magnet’s Field Straight Vertical Wire Coil of Wire Simple Electric Circuit Multiple Coiled Circuit Introduction An electric current produces a magnetic field around it. Picture: Current Flowing in a Wire Produces a Magnetic
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Menu (linked Index) Faraday’s 1831 Electromagnetic Experiments Last Update: September 14, 2025 Introduction Iron Ring Experiment (1831) V-Magnet Experiment (1831) Magnet and Coil Experiment (1831) Introduction We know today that a changing magnetic field can induce an electric current. Michael Faraday, in a series of experiments in 1831, discovered this phenomenon of Electromagnetic Induction. Electromagnetic
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Menu (linked Index) Magnetic Force on a Current Carrying Wire Last Update: September 3, 2025 Introduction The Lorentz Force Equation Example: Magnetic Force on a Current Carrying Wire Summary Introduction A wire carrying current creates a magnetic field. This magnetic field exerts a force on a magnet carrying compass. Newton’s Third Law says that “for
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Menu (linked Index) Lorentz Force Law Last Update: September 1, 2025 Introduction Vector Cross Product Rules and Conventions Force on a Charge in an Electric Field Force on a Moving Charge in a Magnetic Field Lorentz Force Law Introduction The Lorentz force is the total force exerted on a charged particle that’s moving through a
The Best On-Line Teachers Last Update: August 31,2025 As I write my mostly STEM-related blog posts, I utilize a lot of great online information. Below is a curated, alphabetical, evergreen list of the best teachers I’ve watched and read. Ali Alqaraghuli Ali the Dazzling https://www.youtube.com/@alithedazzling Matt Anderson Physics with Professor Matt Anderson High school through
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Menu (linked Index) Biot Savart Law and Ampère’s Law Last Update: August 30, 2025 Introduction B Based on Moving Point Charge Current I in Terms of Drift Velocity Biot-Savart Law Derivation Biot-Savart Law on a Long Straight Wire B on a Closed Circular Loop Around a Wire with Current B on a Closed Loop Around
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