A plane electromagnetic wave travels in free space along the x-direction. The electric field component of the wave at a particular point of space and time is E=6 Vm⁻¹ along y-direction. Its corresponding magnetic field component, B would be
A. 6×10⁻⁸ T along z-direction
B. 6×10⁻⁸ T along x-direction
C. 2×10⁻⁸ T along z-direction
D. 2×10⁻⁸ T along y-direction