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Which one of the following phrases best describes residual magnetism?

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Which one of the following phrases best describes residual magnetism? Answer: Magnetism that remains in the core of an electromagnet after the current through the coil is turned off

Question context

This question is part of 💻 Computing within the broader 💾 Computer Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.