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describe / state
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A pupil holds a bar magnet in each hand and brings the S pole of one towards the S pole of the other. Then she turns one magnet round, so that its N pole faces the S pole of the other. Describe the force she feels each time, and state the rule that explains it.
describe: give the features or what happens. state: give a concise answer.
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Scope and sources
Cambridge IGCSE Physics 0625 · 2026–2028 v2 · Original learning materials.
Forces between magnetic poles and between magnets and magnetic materials, magnetised and unmagnetised (4.1.1); induced magnetism (4.1.2); temporary magnets of soft iron and permanent magnets of steel (4.1.3); magnetic and non-magnetic materials (4.1.4); a magnetic field, the pattern and direction of its lines and their plotting with a compass and iron filings (4.1.5–4.1.8); uses of permanent magnets and electromagnets (4.1.9); Supplement: magnetic forces as interactions between fields (4.1.10) and the strength of a field shown by the spacing of its lines (4.1.11). How a current makes a magnetic field and how an electromagnet is made stronger are in Electromagnets.
Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.
Official Cambridge syllabus