he figure shows the electric field strength of a plane wave propagating in a lossless medium as a function of position. Ex [V/m] Hy [A/m] 10 H, [A/m] 5 0 -5 -10 0 's/m²] hich of the following options describes the strength of the magnetic field of that electromagnetic wave as a function of cation 0.02 0 -0.02 m 10 15 z [m] 0.02 0 -0.02 0.02 -0.02 0 0 0 0 2 5 O x 10-8 W 15 20 z [m] 5 10 5 5 20 10 25 in 15 z [m] 20 25 www N 10 15 20 z [m] 25 30 25 30 30 30

18.a. How does dispersion affect light pulses in an optical fiber? A. It causes total internal reflection. B. It can cause pulses to be indistinguishable. C. It causes pulses to die off as they travel down a fiber. D. It causes pulses to increase in power as they travel down a fiber. 18.b. Which of the following frequency bands do single-mode optical fibers use for communication? A. L B. C C. S 18.c. What type of cable is presently used to route phone and internet service to homes? A. Patch B. Fiber optic C. Twisted copper D. Coaxial

please provide a reflection on this problem.

This is a practice problem from the Engineering Electromagnetics course in my Electrical Engineering program. Could you please walk me through the steps of solving it so that I can solve more complicated ones in the future? Thank you for your assistance.

Microwave