物理学 7-2电源电动势 第五版 非静电力:能不断分离正负电 荷使正电荷逆静电场力方向运动. R Non-electrostatic force it can separate continuously the positive &e negative electric E charge cause the positive charge movement against the E direction of electrostatic force k 电源:提供非静电力的装置 Power source: The installment that provides the non-electrostatic force ◆非静电电场强度E:为单位正电荷所受的非静电力 Non-electrostatic field intensity Ek: Non-electrostatic force receives on the per unit positive charge 第七章恒定磁场 2/6第七章 恒定磁场 物理学 第五版 7-2 电源 电动势 2/6 非静电力: 能不断分离正负电 荷使正电荷逆静电场力方向运动. 电源：提供非静电力的装置. 非静电电场强度Ek: 为单位正电荷所受的非静电力. E  + + + - - - R I + Ek  Non-electrostatic force: it can separate continuously the positive & negative electric charge & cause the positive charge movement against the direction of electrostatic force Power source: The installment that provides the non-electrostatic force. Non-electrostatic field intensity Ek : Non-electrostatic force receives on the per unit positive charge