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AP Physics 2
11.1 Electric Current
IntermediateMCQMathematicalConceptual13.4k
Four cylindrical wire segments connected in series carrying a steady current.
Four cylindrical wire segments connected in series carrying a steady current.
A single continuous copper wire carrying a constant current \(I\) consists of four cylindrical segments connected in series: segment W has diameter \(D\) and length \(L\), segment X has diameter \(2D\) and length \(L\), segment Y has diameter \(D\) and length \(2L\), and segment Z has diameter \(2D\) and length \(2L\). Which of the following correctly ranks the magnitude of the electron drift velocity, \(v_d\), in the four segments?

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