164 B
164 B
[$]\mu_0\approx 4 \pi \cdot 10^{-7} \frac{H}{m}=4 \pi \cdot 10^{-7} \frac{Wb}{A m}=4 \pi \cdot 10^{-7} \frac{V s}{A m}=4 \pi \cdot 10^{-7} \frac{kg m}{A^2 s^2}[/$]