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وارد شوید

Physics for IGCSE & O level - Magnets And Currents (Section 7 - No. 49)

What is the difference between a hard and a soft magnetic material?
Hard materials are always magnetic; soft materials are not.
Hard materials are easy to magnetize and demagnetize; soft materials are not.
Hard materials retain their magnetism; soft materials lose it easily.
Hard materials conduct electricity; soft materials do not.

توضیح

Hard retains, soft loses.

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