Insights - elhadramecanique

Do Electrons Produce Only Electricity? Understanding Magnetic Fields in Wires

"Learn why moving electrons create both electric current and magnetic fields. A simple introduction to electromagnetism for automotive beginners." In the previous lesson, we clarified the basics:Electrons are the ones…

ANIS SEGOUAT November 16, 2025

"Automotive electrical resistance and material resistivity diagram"

Insights Electronic Brain Systèmes électriques

⚡ Resistance, Resistivity, and Conductivity in automotive electrical :

In automotive electrical engineering, three physical quantities control how every circuit behaves — from a simple headlight wire to the ECU’s microscopic copper traces: Resistance (R) Resistivity (ρ) Conductivity (G)…

ANIS SEGOUAT November 16, 2025

“Illustration of current density formula showing current per mm² in automotive copper wire”

Insights Systèmes électriques

⚡ Current Density in Automotive Engineering: What It Is, How to Calculate It, and Why It Matters

1. What Is Current Density? Current density represents the amount of electric current flowing through each square millimeter of a conductor. Where: S = Current density (A/mm²) I = Current (A)…

ANIS SEGOUAT November 16, 2025

diagram showing electrons moving in a wire and ions moving only inside the battery electrolyte

Insights Electronic Brain Systèmes électriques

⚡ Electrons vs Ions: What’s the Real Carrier of Electric Current?

Electrons vs ions in electric current is one of the most misunderstood topics in automotive electronics, and this article explains the real physics clearly. Note from the author: This article…

ANIS SEGOUAT November 16, 2025

si units used in automotive diagnostics including pressure temperature torque and sensor measurements

Insights

Why SI Units Matter in Automotive Diagnostics — And Where They Really Come From

SI units in automotive diagnostics are the universal language every ECU uses to represent physical measurements like pressure, torque, temperature and flow. Note from the author: This article is written…

ANIS SEGOUAT November 14, 2025

diagram showing official EU SUV requirements including AWD, differential lock and 30 percent climb capability

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🚙 The Real Legal Requirements for an SUV: What Most People Don’t Know

Real SUV requirements in Europe are not based on looks but on strict mechanical criteria set by EU law. Most people call any slightly raised car an “SUV.”But the truth…

ANIS SEGOUAT November 14, 2025

Insights

⚡ The Great Electric Conspiracy 😂

Does Current Flow from Positive or Negative? If you’ve ever studied electricity, you’ve probably hit this confusing wall:Some people say current flows from positive to negative,others say electrons move from…

ANIS SEGOUAT October 27, 2025