In an electromagnetic wave the average energy density associated with magnetic field will be
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Step 1
Step 1: Recall that the energy density associated with a magnetic field in an electromagnetic wave is given by the formula: \[ u = \frac{B^2}{2\mu} \] where: \( u \) = energy density \( B \) = magnetic field strength \( \mu \) = permeability of the medium Show more…
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