Problem 3.340

Ât what magnitude of the electric field strength in vacuum the volume energy density of this field is the same as that of the magnetic field with induction \(B=1.0 \mathrm{~T}\) (also in vacuum).

E=B / \sqrt{\varepsilon_{0} \mu_{0}}=3 \cdot 10^{8} \mathrm{~V} / \mathrm{m}

Electromagnetic Induction. Maxwells Equations