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AP Physics 2
12.4 Electromagnetic Induction and Faraday’s Law
AdvancedMCQGraphicalProportional AnalysisConceptual19.6k
A top-down view of a circular region of radius R centered at the origin. Inside the circle of radius R, uniform magnetic field vectors are represented as dots pointing out of the page, labeled B. A dashed concentric circle of radius r less than R is shown centered at the origin with a tangent vector labeled E. A second dashed concentric circle of radius r greater than R is shown outside the circular region. No other labels, lines, text, or axes appear.
Cross section of the cylindrical magnetic field region.
A cylindrical region of radius \(R\) contains a spatially uniform magnetic field directed parallel to the cylinder's central axis. The magnitude of the magnetic field increases at a constant rate \(\dfrac{\Delta B}{\Delta t}\). Which of the following graphs best represents the magnitude of the induced electric field \(E\) as a function of radial distance \(r\) from the central axis, for \(0 \le r \le 3R\)?

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