The y-component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation

Ey = (375 N/C) cos[kx - (2.20 × 1014 rad/s)t]. (c = 3.0 × 108 m/s)
(a) What is the largest that the x-component of the wave can be?
(b) What is the largest that the z-component of the wave can be?


(a) zero (b) 1.25 µT

Physics & Space Science

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