A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the centre of the coil is B. It is then bent...

A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the centre of the coil is B. It is then bent into a circular loop of n turns. What will be the magnetic field at the centre of the coil? 

Anonymous User Physics Magnetic Effect of Current 16 Apr, 2020 61 views

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