![Especially if a computer is to be used, it is often most practical to work directly with the magnetic field intensity. The Biot-Savart law, (8.2.7) in Table 8.7.1, gives H directly as an integration over the given distribution of current density. Especially if a computer is to be used, it is often most practical to work directly with the magnetic field intensity. The Biot-Savart law, (8.2.7) in Table 8.7.1, gives H directly as an integration over the given distribution of current density.](https://web.mit.edu/6.013_book/www/chapter8/ch8-t872.gif)
Especially if a computer is to be used, it is often most practical to work directly with the magnetic field intensity. The Biot-Savart law, (8.2.7) in Table 8.7.1, gives H directly as an integration over the given distribution of current density.
![electromagnetism - Can we use a magnetic vector potential in the case of time varying $E$-fields? - Physics Stack Exchange electromagnetism - Can we use a magnetic vector potential in the case of time varying $E$-fields? - Physics Stack Exchange](https://i.stack.imgur.com/fis1L.png)
electromagnetism - Can we use a magnetic vector potential in the case of time varying $E$-fields? - Physics Stack Exchange
![Applied Electromagnetic Field Theory Chapter 12-- Magnetic Vector Potential and Biot Savart - YouTube Applied Electromagnetic Field Theory Chapter 12-- Magnetic Vector Potential and Biot Savart - YouTube](https://i.ytimg.com/vi/b7Eiv_teuBk/maxresdefault.jpg)