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AP Physics 2
12.3 Magnetism and Current-Carrying Wires
IntermediateMCQGraphicalMathematicalConceptual13.7k
Graph of magnetic field B versus turn density n.
Graph of magnetic field B versus turn density n.
Students perform an experiment to investigate the relationship between the magnetic field inside a long solenoid and its turn density \(n\) (number of turns per meter). They construct several solenoids with different values of \(n\), each carrying the same constant current \(I\). The magnetic field \(B\) near the center of each solenoid is measured, and the data are plotted in the graph shown of \(B\) versus \(n\). Based on the line of best fit, what is the current \(I\) flowing through the solenoids?

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