why is steel preferred to make permanent magnet? give two reasons?
Asked by | 3rd Jul, 2008, 04:35: 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 | 20th Jul, 2008, 12:58: AM
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