Physics Archives - wymhacks

Faraday’s 1831 Electromagnetic Experiments

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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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Magnetic Force on a Current Carrying Wire

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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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Lorentz Force Law

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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

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Biot-Savart Law and Ampère’s Law

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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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Gauss’s Law of Electricity (of the Electric Field)

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Menu (linked Index) Gauss’s Law of Electricity (of the Electric Field) Last Update: August 22, 2025 Introduction Water Flow Analogy for Electric Flux General Form of Uniform Electric Flux through A Flat Surface Flux of a Non-Uniform Electric Field through an Irregular Surface Area Vectors Electric Flux Definition Using the Area Vector Gauss’s Law of

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From Maxwell’s Equations to The Wave Equation

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Menu (linked Index) From Maxwell’s Equations to The Wave Equation Last Update: August 20, 2025 Introduction Gradient , Diversion, and Curl Maxwell’s Equations The Wave Equation Deriving the B and W Wave Equations Appendix 1 Appendix 2 Appendix 3 Introduction James Clerk Maxwell (1831–1879) was a Scottish physicist known for his groundbreaking work in electromagnetism.

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Field Operators: Grad, Div, and Curl

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Menu (linked Index) Field Operators: Grad, Div, and Curl Last Update: August 18, 2025 Introduction Definitions Graphing a Vector Field Differentiation Basics The Gradient Operator Divergence Operator The Laplacian Direction of Axis of Rotation The Curl Operator Excellent Educational Video References Appendix 1: Uses of the Derivative Introduction This post is about three fundamental operators

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Vector Math

Work and Energy

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Menu (linked Index) Work and Energy Last Update: July 10, 2025 Introduction Work Kinematic Equations Kinetic Energy Gravitational Potential Energy Law of Conservation of Energy Spring Forces (Hooke’s Law) Conservative Forces Mechanical Energy Equations Introduction In this post we’ll review some fundamental principles that govern motion and energy in our universe. The exploration begins with

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First Law of Thermo – Dynamics

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Menu (linked Index) First Law of Thermodynamics Last Update: July 10, 2025 Introduction Work and Energy Internal Energy U External Energy First Law of Thermodynamics State and Path Functions Enthalpy H Steady State Flow Process Deriving Mechanical Energy Equations from The 1st Law Appendix 1 – History of Energy Introduction In this post, I describe

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