問題詳情

26. The magnetic field in a given dielectric medium is given by

= y6cos(2z)sin(2x107t -0.1x) (A/m), where x and z are inmeters. Determine the phase velocity of the electromagnetic wave.
(A) 2x108 (m/s)
(B) 3x108 (m/s)
(C) 5x108(m/s)
(D) 1.5x108 (m/s)

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增