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Option 1 : Copper
- Copper is a Diamagnetic substance while Iron and Nickel are Ferromagnetic substance. Oxygen is a Paramagnetic substance.
- The magnetic permeability of diamagnetic materials is less than μ0, the permeability of vacuum.
| Diamagnetic | Materials that are repelled by a magnetic field and acquires feeble magnetism opposite to the direction of magnetic field. |
| Paramagnetic | Materials that are weakly attracted by a magnetic field and acquires feeble magnetism in the direction of magnetic field. |
| Ferromagnetic | Materials that are strongly attracted by a magnetic field and acquires strong magnetism in the direction of magnetic field. |
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