- #1
Petar Mali
- 290
- 0
Definition of this law is given by
[tex]\vec{B}=\frac{\mu_0I}{4\pi}\oint \frac{d\vec{l}\times \vec{r}_0}{r^2}[/tex]
why [tex]\oint[/tex] and no [tex]\int[/tex]. Why must be closed curve?
Why not[tex]\vec{B}=\frac{\mu_0I}{4\pi}\int \frac{d\vec{l}\times \vec{r}_0}{r^2}[/tex]
[tex]\vec{B}=\frac{\mu_0I}{4\pi}\oint \frac{d\vec{l}\times \vec{r}_0}{r^2}[/tex]
why [tex]\oint[/tex] and no [tex]\int[/tex]. Why must be closed curve?
Why not[tex]\vec{B}=\frac{\mu_0I}{4\pi}\int \frac{d\vec{l}\times \vec{r}_0}{r^2}[/tex]