The energy within this circuit oscillates rapidly between an electric field in the capacitor and a magnetic field in the coil.
电容产生电场，线圈生成磁场，电路中的能量就在电场和磁场之间高速振荡。
2
Capacitance of conductor capacitor electric field energy and energy density.
导体的电容；电容器。电场的能量和能量密度。
3
The energy of electric field stored in the capacitor placed in an alternating electromagnatic field is concluded by using the principle of superposition and by starting with Maxwell equations.