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Magnetism — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsMagnetism1 Mark
Question
In two separate experiments the neutral points due to two small magnets are at a distance of r and 2r in broad side-on position. The ratio of their magnetic moments will be(a) 4 : 1(b) 1 : 2(c) 2 : 1(d) 1 : 8
       
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Answer

(d) 1 : 8

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