A uniform magnetic field B exists in a cylindrical region, shown dotted in figure (38-E32). The m...

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A uniform magnetic field B exists in a cylindrical region, shown dotted in figure (38-E32). The magnetic field increases at a constant rate d B/d t. Consider a circle of
radius r coaxial with the cylindrical region. (a) Find the magnitude of the electric field E at a point on the circumference of the circle. (b) Consider a pointon the side of the square circumscribing the circle. Show that the component of the induced electric field at P along b a is the same as the magnitude found in part (a).

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