电磁学03-01：电介质极化 口引入导体或者电介质会怎样？ (a) Vacuum (b)Dielectric Conductor (metal foil) Induced charges Conductor- (metal foil) Dielectric (plastic sheet) For a given charge density o.the induced charges on the dielectric's surfaces reduce the electric field between the plates. 极化电荷、束缚电荷电磁学03-01: 电介质极化  引入导体或者电介质会怎样？ 极化电荷、束缚电荷