Question:
A straight conductor of length is wound in to a circular
Last updated: 6/26/2023
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A straight conductor of length is wound in to a circular coil of n turns For a current i flowing through the coil the magnetic induction at the centre is B When the coil is now wound to 2 n turns magnetic induction at the centre will be A 4 B C 2 B B 3 B D B