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AP EAMCET Engineering 2013 Solved Paper

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Question : 27

Total: 160

Two short bar magnets have their magnetic moments 1.2Am2 and 1.0Am2. They are placed on a horizontal table parallel to each other at a distance of 20cm between their centres, such that their north poles pointing towards geographic south. They have common magnetic equatorial line. Horizontal component of earth's field is 3.6×10−5T. Then, the resultant horizontal magnetic induction at mid point of the line joining their centers is (

=10−7N∕m)

3.6×10−5T
1.84×10−4T
2.56×10−4T
5.8×10−5T

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