When current flows through a wire, a magnetic field is induced because the stationary positive charges appear closer together than the moving negative charges. How does a single moving particle induce a
How to calculate magnetic force across an air gap in a magnetic circuit with permanent magnet? | ResearchGate
![Pull force / magnetic force Calculation between a block magnet (NdFeB block magnet, SmCo block magnet, Alnico block magnet and ferrite block magnet) and an iron plate Pull force / magnetic force Calculation between a block magnet (NdFeB block magnet, SmCo block magnet, Alnico block magnet and ferrite block magnet) and an iron plate](http://www.cy-magnetics.com/Blockplatte.png)
Pull force / magnetic force Calculation between a block magnet (NdFeB block magnet, SmCo block magnet, Alnico block magnet and ferrite block magnet) and an iron plate
![Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet) Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet)](http://www.cy-magnetics.com/two-disk-Attraction.png)
Pull force / magnetic force calculation between two disc magnets (Neodymium disc magnet, Samarium disc magnet, Alnico disc magnet, ferrite disc magnet)
![Pull force / magnetic force Calculation between a disc magnet (NdFeB disc magnet, SmCo disc magnet, Alnico disc magnet, ferrite disc magnet) and an iron plate Pull force / magnetic force Calculation between a disc magnet (NdFeB disc magnet, SmCo disc magnet, Alnico disc magnet, ferrite disc magnet) and an iron plate](http://www.cy-magnetics.com/Diskplatte.png)