問題詳情

13. Consider a sheet current source

at z = 0. The medium on either side of the sheet is free space. Which of thefollowing statements for the region z ＞0 is not correct?
(A) There will be a wave propagating in the +z direction.
(B) The electric field and magnetic field are in phasc.
(C) The instantaneous power flow out of an arbitrary closed surface is zero.
(D) The average power flow is half of the peak power flow.

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