A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic field is given by B=5×10−8j^ T. The corresponding electric field E is (speed of light c=3×108 ms−1).
a. 1.66×10−16i^ V/m
b. −1.66×10−16i^ V/m
c. −15i^ V/m
d. 15i^ V/m