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Hard steel is suitable for making permanent magnets because
It has good residual magnetism
Its hysteresis loop has large area
Its mechanical strength is high
Its mechanical strength is low
It has good residual magnetism
Practice and solve "Hard steel is suitable for making permanent magnets because..." for Electrical - Electromagnetics Field Theory . The correct answer is Option A: It has good residual magnetism. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(a) **