In an electromagnetic wave in free space that root mean square value of the electric field is Erms = 6 V m$-$1. The peak value of the magnetic field is
2.83 $ \times $ 10$-$8 T
0.70 $ \times $ 10$-$8 T
4.23 $ \times $ 10$-$8 T
1.41 $ \times $ 10$-$8 T
Solution
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