[单选题]
Radiation from the Sun rexkn4al v7s- ,jmo9jo-ab53h)53/e bw:fmggc q+lvgxsches the Earth (above the atmosphere) at a rate of about+w: 5bbxesvqmgh3c5gf l)g/3 $1350 \; W/m^{2}$. Assume that this is a single EM wave and calculate the maximum value of the electric field.
