The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 438
round the complete circuitfrom P_ back to iL, is accordingly the same as that done in taking it from ilround the path to P^. This can be calculated by supposing the forces to beexerted by the first equivalent shell, for the path is entirely outside thisshell. If the potential due to the shell is O^… … 484-486] Magnetic Potential of Field 429 current, measured in electromagnetic units. The change in the solid angleas we pass from /L to i+ is, as a matter of geometry, equal to 47r. Thus Up -flp =47ri (410). The work done in taking a unit pole round the path described is accord-ingly 47ri. Magnetic…
Electricity · Magnetism
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