試卷名稱:110年 - 110 國立臺灣大學_碩士班招生考試_電信工程研究所甲組:電磁學及電磁波#113085
年份:110年
科目:研究所、轉學考(插大)◆電磁學
9.What does
in the Ampcre's law
mean?
(A) The free volume current density.
(B) The free surface current density.
(C) The sum of the polarization current density, the magnetization current density, and the free current density.
(D) The sum of all surface current density and volume current density.