Some newer Tip magnetic energy density equation of the test:
question ? stored magnetic energy
given the strength of the magnetic field of a sunspot of 0.5 Tesla and a volume of 10 ^ 6 cubic kilometers. Then I asked to calculate the percentage decrease of the stored magnetic energy is needed to make a push that has an energy of 10 ^ 18 give J.La first thing I did was to calculate the energy density. be u = B ^ 2 / (2 * permeability constant) and receiving the energy density to 99,471,839

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