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EAMCET Engineering 2007 Solved Paper

Section: Physics
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Question : 34 of 160
 
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Two wires A and B are of lengths 40‌cm and 30‌cm. A is bent into a circle of radius r and B into an arc of radius r. A current i1 is passed through A and i2 through B. To have the same magnetic inductions at the centre, the ratio of i1:i2 is
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