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  4. In an electromagnetic wave, the electric and magnetizing fields are 100 V/m and 0.265 A/m. The maximum energy flow is:

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Q. In an electromagnetic wave, the electric and magnetizing fields are 100 V/m and 0.265 A/m. The maximum energy flow is:

JIPMERJIPMER 1995

Solution:

Here: Intensity of electric field $ {{E}_{0}}=100\,\,V\text{/}m $ Intensity of magnetizing field $ {{H}_{0}}=0.265\,A\text{/}m $ The maximum energy flow $ S={{E}_{0}}\times {{H}_{0}}=100\times 0.265 $ $ =26.5\,\,W\text{/}{{m}^{2}} $