Let the electric field intensity (E) of an electromagnetic wave in free space is given by Z E-5 cos @ 21- a V/m. 3 Find the magnetic field intensity (H).

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Let the electric field intensity (\( \mathbf{E} \)) of an electromagnetic wave in free space be given by

\[
\mathbf{E} = 5 \cos \left( \omega \left( 2t - \frac{z}{3} \right) \right) \mathbf{a}_y \, \text{V/m}.
\]

Find the magnetic field intensity (\( \mathbf{H} \)).
Transcribed Image Text:Let the electric field intensity (\( \mathbf{E} \)) of an electromagnetic wave in free space be given by \[ \mathbf{E} = 5 \cos \left( \omega \left( 2t - \frac{z}{3} \right) \right) \mathbf{a}_y \, \text{V/m}. \] Find the magnetic field intensity (\( \mathbf{H} \)).
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