H2 Physics: Electromagnetic Forces structured questions
Written practice in magnetic forces on conductors and charges, velocity selection, current balances, beam deflection and fields due to currents. Five questions are selected for each attempt.
Learning objectives
- Calculate and represent magnetic fields produced by currents.
- Sketch magnetic field lines due to currents in a long straight wire, a flat circular coil and a long solenoid.
- Analyse forces on current-carrying conductors, current balances and interactions between parallel currents.
- Analyse forces and paths of moving charges in uniform fields.
- Apply crossed electric and magnetic fields to velocity selection.
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Questions are picked at random each time you start. You'll see the answer after each question. It's for practice only and doesn't count towards course progress.
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Beyond the syllabus: optional enrichment that does not count towards your progress.