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Cambridge IGCSE Physics practice

Paper 3 structured question: Simple phenomena of magnetism

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3

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Topic

Simple phenomena of magnetism

Exam-style question

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Paper 3Theory (Core)3 marks

Understanding how to plot magnetic fields is essential for physics experiments.

Description

Compass and Iron Filings Experiment

In an experiment, a student uses a compass to find the direction of the magnetic field and iron filings to visualize it. The compass needle aligns with the field lines, and the filings form a pattern that shows the field's strength and direction.

  1. a

    Explain how to use a compass to find the direction of the magnetic field.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Simple phenomena of magnetism

Paper 3Theory (Core)1 marks

Description

Magnetic Field Visualization

A student uses a compass and iron filings to visualize the magnetic field around a bar magnet. The compass needle points from the north to the south pole, and the iron filings create a pattern on the paper above the magnet.

  1. a

    State the direction of the magnetic field lines around a bar magnet.

    Aim for approximately 1 distinct marking point.

    [1]