A wire of length L is bent into a circular loop of radius R and carries a current I. The magnetic...

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360) A wire of length L is bent into a circular loop of radius R and carries a current I. The magnetic field at the centre of the loop is B. The same wire is now bent into a double loop of equal radii. If both loops carry the same current I and it is in the same direction. What is the magnetic field at the centre of the double loop ?