why steel is preferred for permanent magnets.
Asked by | 21st Jul, 2008, 11:46: PM
Steel is a ferromagnetic substance.Hence it has following advantages , if it is used for making permanent magnets :
1. Effect of external magnetic field is strongest . Therefore, the intensity of magnetisation is large .
2. Since it gets magnetised in the direction of magnetic field , therefore, it will remain in equilibrium with the field.
Answered by | 22nd Jul, 2008, 11:55: PM
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