A plane electromagnetic wave of frequency $20\,MHz$ propagates in free space along $x$-direction. At a particular space and time, $\overrightarrow{ E }=6.6 \hat{ j } V / m$. What is $\overrightarrow{ B }$ at this point?
A plane electromagnetic wave of frequency $20\,MHz$ propagates in free space along $x$-direction. At a particular space and time, $\overrightarrow{ E }=6.6 \hat{ j } V / m$. What is $\overrightarrow{ B }$ at this point?
- [JEE MAIN 2023]
- A
$-2.2 \times 10^{-8} \hat{ i }\,T$
- B
$2.2 \times 10^{-8} \hat{ k }\,T$
- C
$-2.2 \times 10^{-8} \hat{ k }\,T$
- D
$2.2 \times 10^{-8} \hat{ i }\,T$
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