ALTERNATING-CURRENT CIRCUITS — Edward Purcell & David Morin
Physics — E&M · magnetic-energy-neutron-star
Problem
Magnetic energy near a neutron star * It has been estimated that the magnetic field strength at the surface of a neutron star, or pulsar, may be as high as 1010 tesla. What is the energy density in such a field? Express it, using the mass--energy equivalence, in kilograms per m3.