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AP Physics C: E&M
13.1 Magnetic Flux
IntermediateMCQConceptual19.8k
A closed surface S situated in the magnetic field of a magnetic dipole.
A closed surface S situated in the magnetic field of a magnetic dipole.
A closed surface \(S\) is situated in the non-uniform magnetic field produced by a nearby magnetic dipole, as shown. Magnetic field lines pass through various regions of the surface, yet the net magnetic flux \(\Phi_B = \oint_S \vec{B} \cdot d\vec{A}\) through the closed surface is equal to zero. Which of the following statements correctly explains why the net magnetic flux through the closed surface is zero?

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