A long wire is known to have a radius greater than 40 mm


A long wire is known to have a radius greater than 4.0 mm and to carry a current that is uniformly distributed over its cross section. The magnitude of the magnetic field due to that current is 0.30 mT at a point 4.0 mm from the axis of the wire, and 0.20 mT at a point 10 mm from the axis of the wire. What is the radius of the wire?

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Physics: A long wire is known to have a radius greater than 40 mm
Reference No:- TGS0905841

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