why steel is preferred for permanent magnets.

Asked by  | 21st Jul, 2008, 11:46: PM

Expert Answer:

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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