Magnetic Fields of Current-Carrying Wires Practice Test

A long, straight wire in vacuum carries $I=2.5,\text{A}$ upward. Point $P$ lies $d=0.015,\text{m}$ from the wire. Use $B=\dfrac{\mu_0 I}{2\pi d}$ with $\mu_0=4\pi\times10^{-7},\text{T·m/A}$. What is the magnitude of the magnetic field at point $P$ due to the wire?

A long, straight wire in vacuum carries $I=12,\text{A}$ upward. Point $P$ lies $d=0.040,\text{m}$ from the wire. Use the Biot-Savart result for an infinite wire: $B=\dfrac{\mu_0 I}{2\pi d}$ with $\mu_0=4\pi\times10^{-7},\text{T·m/A}$. What is the magnitude of the magnetic field at point $P$ due to the wire?