Substances with magnetic permeability less than that of free space are known as diamagnetic substances. Diamagnetic materials are weakly repelled by an external magnetic field, as they produce a weak induced magnetic field that opposes the external field.
Substances which have permeability less than the permeability of free space are known as?
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Question context
This question is part of ⚡ Electrical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.