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प्रश्न
Which observation is reflected by Gauss’s law for magnetism?
विकल्प
Magnetic field lines begin at a single point.
Magnetic field lines end at a single point.
Isolated north poles have been observed in nature.
Isolated magnetic monopoles have not been observed in nature.
MCQ
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उत्तर
No isolated north pole or isolated south pole has been observed. This physical fact is consistent with zero net magnetic flux through a closed surface.
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