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AP Physics C: E&M
12.1 Magnetic Fields
BeginnerMCQConceptual18.8k
A bar magnet with a closed surface enclosing its north pole.
A bar magnet with a closed surface enclosing its north pole.
A cylindrical bar magnet has a north pole at end \(N\) and a south pole at end \(S\). Which of the following correctly identifies the direction of the magnetic field \(\vec{B}\) inside the bar magnet and the value of the net magnetic flux \(\oint \vec{B} \cdot d\vec{A}\) through a closed surface that completely encloses end \(N\)?

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