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Calculate density and pressure: Public utilities example

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Much work has been done on the large scale storage of energy in inductors for public utilities. One author proposes a huge underground cryogenized inductor that would operate at a field of 14 teslas.

a. Calculate the energy density in (kilowatt-hours)/meter
b. Calculate the magnetic pressure in atmospheres, (1 atm = 10^5 pascals)

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Solution Summary

Provides steps necessary to calculate density and pressure

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a) The energy density u of the magnetic field B is given by u=B^2/(2mu), where mu = 4pi*10^(-7) ...

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