Read Magnetism problem patterns
This NSEP path prepares Apply the governing Magnetism principle to the supplied configuration. Read the condition carefully, then use the method below before you solve.
Physics problems turn a described situation into a model with quantities, directions and a governing principle.
Magnetic effects have two poles and a direction
Like poles repel · unlike poles attract
Like poles repel and unlike poles attract. Keep the field direction and the material’s magnetic property separate.
Find the tested idea
Draw the situation and identify the system, directions and the relevant field, potential or current relation before calculating.
Build the solution
Apply one governing principle at a time while keeping signs, reference level and units visible. Use algebra only after the physical model is fixed.
Verify before choosing
Return to the exact wording and check that the result satisfies every stated condition, unit and definition.
OlympIQ exam lens
- ✓Sketch the system and labels.
- ✓State the governing physical principle.
- ✓Check unit, sign and limiting behaviour.
A standard formula is valid only under its assumptions; verify the geometry, sign, dimensions and limiting behaviour before choosing.
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100% coverage across the 12 linked questions.
Practise 12 linked questions