Jason Cole • 5/30/2026

Clampere's law

This article delves into the workings of switchable magnetic clamps, commonly used in labs, explaining how rotating a permanent magnet inside a clamp can turn the magnetic field on or off to control clamping force. It covers the roles of different materials (iron, spacer) and magnetic properties, and provides an interactive 2D simulation to explore parameters like magnet angle, permeability, and strength. The article also discusses the underlying magnetostatics and calculates clamping force, matching real-world values. It is a technical, physics-focused piece relevant to engineering and technology.

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#Physics Simulation #Switchable Magnetic Clamp #Magnetic Circuit