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Discussion

Science Preparation for Engineering Entrance
(1)

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Two identical short bar magnets, each having magnetic moment of 10 Am2, are arranged such that their axial

lines are perpendicular to each other and their centers be along the same straight line in a horizontal plane. If the distance between their centers is 0.2 m, the resultant magnetic induction in tesla at a point midway between them is : (μ0 = 4π × 10–7Hm–1)

 
2.23 × 10–2
2.23 × 10–3
2.25 × 10–2
2.26 × 10–3

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Damoder

D=0.02 but why you used in formula d=0.01