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0 of 3 objectives have lessons · 0 studied · 0 secure
Lessons for this topic haven’t been written yet. The objectives below show exactly what the syllabus expects, so you can plan with them in the meantime.
What Cambridge says you should be able to do, in our words. Codes are the topic number plus the objective’s position.
Sketch the patterns of the magnetic fields produced by currents in a long straight wire, a flat circular coil and a long solenoid.
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Understand that a ferrous core increases the magnetic field produced by the current in a solenoid.
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Explain why forces act between current-carrying conductors, and determine the directions of these forces.
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