A piece of wire bent in the form of a circular loop A carries a current I. The wire is then bent into a circular loop B of two turns and carries the same current. The ratio of magnetic fields at the centre of loop A to that of loop B will be :

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Magnetic Field Due to Current-Carrying Circular Loop | PadhAiPro

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MCQ (Single)Magnetic Field Due to Current-Carrying Circular LoopCBSE PYQ

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