Creating a uniform magnetic field
2 marks · NormalState what is meant by a uniform magnetic field and describe two characteristics that can be observed in its field pattern.
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Also accept: A uniform magnetic field is a region where the strength and direction of the field are the same at every point. The field lines are evenly spaced and parallel.
Common mistakes: Only mentioning even spacing without direction; Incorrectly saying 'lines are curved' in a uniform field.
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Marking points
B1 · 1 mark · States that a uniform field has the same strength and direction everywhere in the region.
B2 · 1 mark · Describes two correct features: field lines are straight and parallel, and field lines are evenly spaced.
Worked solution
A uniform magnetic field is one where the magnetic field strength and direction are the same everywhere. In its field pattern, the field lines are straight, parallel, and evenly spaced.