Physics

Problem

A long, straight wire carries a current of

12\,\text{A}

. At what distance from the wire is the magnitude of the magnetic field equal to

1.0\,\mu\text{T}

? a)

1.2\,\text{m}

4.8\,\text{m}

2.4\,\text{m}

1.55\,\text{m}