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Soft iron is the preferred substance to shield instruments from magnetic flux using a Faraday cage.
Soft iron is the substance that can be used to shield instruments from magnetic flux. Soft magnetic materials, such as iron, are preferred for shielding purposes as they respond well to weak magnetic fields and are suitable for use as core materials in transformers.
Shielding from magnetic flux can be achieved by using a Faraday cage, which is a conductive enclosure that absorbs electromagnetic radiation, preventing it from entering sensitive electronic circuitry.
Using soft iron for shielding can help protect instruments by directing the magnetic flux away from the equipment, ensuring accurate measurements and functionality.
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