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AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

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Question : 111

Total: 160

A coil in the shape of an equilateral triangle of side 2 cm is suspended from a vertex such that it hangs in a vertical plane between the poles of a permanent magnet producing a horizontal magnetic field of 100 × 10−3 tesla. The magnetic field is parallel to the plane of the coil. For the moment of couple acting on the coil to be 2 √3 × 10−5 Nm , the current to be passed through the coil is

0.5 A
1 A
2 A
4 A

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