Question

In the electric–magnetic dipole analogy, the constant 1/ε₀ appearing in the electric dipole field corresponds to which constant in the magnetic case?

Options

• μ₀

• 4π

• 1/μ₀

• ε₀

Answer 1

In the analogy table, the constant substitution replaces 1/ε₀ (electric case) with μ₀ (magnetic case), which is evident from comparing \(\frac{1}{4\pi\varepsilon_0}\frac{2p}{r^3}\) with \(\frac{\mu_0}{4\pi}\frac{2m}{r^3}\).