In an electromagnetic wave, the electric and magnetic fields are $100 V m^{- 1}$ and $0.265 A m$ maximum energy flow is

26.5 W / m^{2}

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36. 5 W / m^{2}

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46.7 W / m^{2}

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765 W / m^{2}

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Solution

The correct option is A $26.5 W / m^{2}$
Given,
$E_{0} = 100 V / m$
$B_{0} = 0.265 A / m$
Maximum rate of energy flow,
$S = E_{0} \times B_{0}$
$S = 100 \times 0.265 = 26.5 W / m^{2}$
The correct option is A.

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