الفصل 21 Electric charge الفصل 22 Electric Field الفصل 23 Gauss' Law الفصل 24 Electric Potential الفصل 25 Capacitance الفصل 26 Current and Resistance الفصل 27 Circuits الفصل 28 Magnetic Field الفصل 29 Magnetic Field Due to Currents الفصل 30 Induction and Inductance