0 votes 0 votes The magnetic field of a uniform plane wave in vacuum is given by $$\overrightarrow{H}\left ( x,y,z,t \right )=(\hat{a_{x}}+2\hat{a_{y}}+b\hat{a_{z}})\cos\left ( \omega t+3x-y-z\right ).$$ The value of $b$ is ___________. Electromagnetics gate2020-ec numerical-answers plane-waves-and-properties electromagnetics + – go_editor asked Feb 13, 2020 • recategorized Nov 15, 2020 by soujanyareddy13 go_editor 1.9k points 102 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.