Question

The amount of flux in a round magnetic rod measured at 0.013 weber.If the diameter of the material is 12 cm, calculate the flux density؟

Answer 1

The flux density is

$$\phi=\frac{\Phi}{A}=\frac{4\Phi}{\pi d^2},\\\space\\ \phi=\frac{4\cdot0.013}{\pi\cdot0.12^2}=1.15\text{ Wb/m}^2.$$