### Compute the energy density of the magnetic field

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##### Reference no: EM13275931

On a clear day at a certain location, a 123-V/m vertical electric field exists near the Earth's surface. At the same place, the Earth's magnetic field has a magnitude of 4.250 multiply.gif 10-5 T.

(a) Compute the energy density of the electric field.

nJ/m3

(b) Compute the energy density of the magnetic field.

µJ/m3

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