Four Closed Surfaces Are Shown

question 53

Multiple Choice

Four closed surfaces are shown. The areas A_top and A_bot of the top and bottom faces and the magnitudes B_top and B_bot of the uniform magnetic fields through the top and bottom faces are given. The fields are perpendicular to the faces and are either inward or outward. Rank the surfaces according to the magnitude of the magnetic flux through the curved sides, least to greatest.

• A) 1, 2, 3, 4
• B) 3, 4, 1, 2
• C) 1, 2, 4, 3
• D) 4, 3, 2, 1
• E) 2, 1, 4, 3

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