- #1
jpas
- 45
- 0
Consider a rotating disk on a uniform magnetic field. Faraday's law states that
[tex] \epsilon = - \frac{d\phi}{dt}[/tex]
In this situation, [tex]\vec B[/tex] is constant and the area of the disk is constant. Hence, the magnetic flux is constant and there should be no emf. What am I missing?
[tex] \epsilon = - \frac{d\phi}{dt}[/tex]
In this situation, [tex]\vec B[/tex] is constant and the area of the disk is constant. Hence, the magnetic flux is constant and there should be no emf. What am I missing?