Physics, asked by noushadp7017, 1 year ago

Derive expression for magnetic energy density in vacuum

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Answered by Anonymous

The formula for the energy stored in a magnetic field is E = 1/2 LI2. The energy stored in a magnetic field is equal to the work needed to produce a current through the inductor. ... Energy density can be written as uB=B22μ u B = B 2 2 μ .

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