A sensitive magnetic instrument can be shield | vedclass

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Question

(C) The measurements of sensitive magnetic instruments are influenced by external magnetic fields. To protect these instruments from external magnetic

Vedclass · Accepted Answer

Soft iron of high permeability

Vedclass · Answer

(C) The measurements of sensitive magnetic instruments are influenced by external magnetic fields. To protect these instruments from external magnetic interference,they are placed inside a box made of a material with high magnetic permeability,such as soft iron. This process is known as magnetic shielding. When the instrument is placed inside a soft iron box,the external magnetic field lines prefer to pass through the high-permeability material of the box rather than through the interior space where the instrument is located. Consequently,the magnetic flux is diverted around the device,effectively shielding it from the external field.

$A$ sensitive magnetic instrument can be shielded very effectively from outside magnetic fields by placing it inside a box of

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