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Grade 12Magnetism

A bar magnet of length 'l' and having pole strength 'm' is placed vertically on a horizontal tablewith its south pole on the table. A neutral point is found on the table at a distance 'x' north of the magnet. calculate the horizontal component of earth's magnetic field.

Profile image of Saurabh Dewangan
14 Years agoGrade 12
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1 Answer

Profile image of ROSHAN MUJEEB
5 Years ago
magnetic field due to pole of strengthmat distancedis
B=4πd2μ0​m​Vertical component of earth's magnetic field =0.4×10−4Wbm−2
At the neutral point,4πd2μ0​m​=0.4×10−4
⟹m=16A−m

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