The electric field of `EM` wave is `6` volt/m. The magntic field associated with the wave if the wave is propagating in `+v` direction and electric field along `y`-axis is: (A) `10^(-8)That(K)` (B) `2xx10^(-8)That(K)` (C) `3xx10^(-8)That(K)` (D) `4xx10^(-8)That(K)`