Step 1:
The magnetic field around a long, straight wire is given by the formula:
$$B = \frac{\mu_0 I}{2 \pi r}$$
where:
- $B$ is the magnetic field strength (in Tesla)
- $\mu_0$ is the permeability of free space, which is $4\pi \times 10^{-7} \, \text{T m/A}$
- $I$
Show more…