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EAMCET Engineering 2001 Solved Paper

Section: Physics

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Question : 23

Total: 200

A wire in the form of a square of side a carries a current i. Then, the magnetic induction at the centre of the square is
(Magnetic permeability of free space =µ0 )

‌
µ0i
2πa
‌
µ0i√2
πa
‌
2√2µ0i
πa
‌
µ0i
√2πa

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