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The retentivity of material is useful for the construction of
Permanent magnets
Transformers
Nonmagnetic substances
Electromagnets
Permanent magnets
Practice and solve "The retentivity of material is useful for the construction of..." for Electrical - Electromagnetics Field Theory . The correct answer is Option A: Permanent magnets. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(a) **