Physics

Problem

At a distance of

10\,\text{cm}

from a long straight conductor the magnetic field is

2.0 \times 10^{-5}\,\text{T}

. Determine the current in the conductor. Take

\mu_0 = 4\pi \times 10^{-7}\,\text{T m A}^{-1}

. a)

20\,\text{A}

31.4\,\text{A}

10\,\text{A}

5\,\text{A}