A plane electromagnetic wave of frequency $20 ~\mathrm{MHz}$ propagates in free space along $\mathrm{x}$-direction. At a particular space and time, $\overrightarrow{\mathrm{E}}=6.6 \hat{j} \mathrm{~V} / \mathrm{m}$. What is $\overrightarrow{\mathrm{B}}$ at this point?

Question

$-2.2 \times 10^{-8} \hat{i} T$

$2.2 \times 10^{-8} \hat{i} T$

$2.2 \times 10^{-8} \hat{k} T$

$-2.2 \times 10^{-8} \hat{k} T$

Solution

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