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An electric current is uniformly distributed throughout a long, straight wire that has a diameter of 50 mm. The current through the wire is 5.0A

An electric current is uniformly distributed throughout a long, straight wire that has a diameter of 50 mm. The current through the wire is 5.0A .

Calculate the magnitude of the magnetic field 20 mm radially away from the wire center.

Calculate the magnitude of the magnetic field 50 mm radially away from the wire center.

What must the current be to create a magnetic field of magnitude 1.0 T 50 mm radially away from the wire center?

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