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Science

Electromagnetism

AC vs. DC Current

Basic Analog Electronics

Basic Electromagnetic Equations

Capacitor Types and Applications

Batteries and Their Characteristics

Common SI Units in Electromagnetism

Conductors and Insulators

Electric Field Concepts

Electrical Circuits Symbols

Electromagnetic Waves and Health

Electronic Component Schematics

Electric Motor Principles

Electrical Units and Conversion

Electrical Safety Measures

Electric Vehicles and Their Components

Famous Scientists in Electromagnetism

Historical Experiments in Electromagnetism

Kirchhoff's Laws

Laws of Electromagnetism

Maxwell's Equations

Magnetic Field Terminology

Lightning and Surge Protection

Ohm's Law

Transformers and Their Working

Types of Magnetic Materials

Wave Properties and Formulas

Wireless Communication Technologies

Voltage and Current Instruments

Series and Parallel Circuits

Maxwell's Equations

Flashcards

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Gauss's Law for Magnetism

\nabla \cdot \mathbf{B} = 0

This equation implies that magnetic field lines are continuous with no beginning or end, which indicates that there are no magnetic monopoles.

Gauss's Law for Electricity

\nabla \cdot \mathbf{E} = \frac{\rho}{\varepsilon_0}

This equation implies that the electric field divergence at a point is proportional to the electric charge density at that point, which describes how charge can create an electric field.

Faraday's Law of Induction

\nabla \times \mathbf{E} = -\frac{\partial \mathbf{B}}{\partial t}

This equation states that a time-varying magnetic field induces an electric field. This is the principle behind electrical generators and transformers.

Ampere's Law with Maxwell's Addition

\nabla \times \mathbf{B} = \mu_0\mathbf{J} + \mu_0\varepsilon_0\frac{\partial \mathbf{E}}{\partial t}

This extended version of Ampère's Law shows that a magnetic field is generated by electric currents and also by changing electric fields, explaining the propagation of electromagnetic waves.

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