Are there any equations in identifying the magnetic flux density of a ferromagnetic magnet at a certain distance (for example, a neodymium magnet has a magnetic flux density of 5.31 miliTesla at
![Obtain an expression for magnetic flux density B at the center of a circular coil of radius R, having N turns and carrying a current $I$. Obtain an expression for magnetic flux density B at the center of a circular coil of radius R, having N turns and carrying a current $I$.](https://www.vedantu.com/question-sets/d32d0ad8-2d88-4af7-bfee-dc37b1372ab2959594232449431668.png)
Obtain an expression for magnetic flux density B at the center of a circular coil of radius R, having N turns and carrying a current $I$.
![EEE340Lecture : Magnetic Forces and Torques A moving charge q with velocity in a magnetic field of flux density experiences a force This equation. - ppt download EEE340Lecture : Magnetic Forces and Torques A moving charge q with velocity in a magnetic field of flux density experiences a force This equation. - ppt download](https://slideplayer.com/5026572/16/images/slide_1.jpg)
EEE340Lecture : Magnetic Forces and Torques A moving charge q with velocity in a magnetic field of flux density experiences a force This equation. - ppt download
![Question Video: Finding the Ratio of the Magnetic Flux Densities at the Centers of Two Circular Loops of Wire | Nagwa Question Video: Finding the Ratio of the Magnetic Flux Densities at the Centers of Two Circular Loops of Wire | Nagwa](https://media.nagwa.com/230140487045/en/thumbnail_l.jpeg)