- #1
Outrageous
- 374
- 0
Homework Statement
B=magnetic flux density . A is the vector potential of magnetic field. How to get the formula B=∇A
Homework Equations
http://en.wikipedia.org/wiki/Magnetic_moment
The Attempt at a Solution
B=magnetic flux density . A is the vector potential of magnetic field. B=A/(area that is normal to the magnetic field). But how to get the area??
Guide will do. Thank you