CHƯƠNG 1 admin Line admin Line admin Pencil admin Pencil admin Pencil admin Pencil admin Pencil admin Pencil Tương tự cho nguồn dòng độc lập Nguồn phụ thuộc admin Pencil admin Pencil admin Line admin Line admin Line admin Typewriter I = UR > U= IR admin Pencil admin Line admin Typewriter I admin Typewriter II admin Typewriter I admin Typewriter U1 + U3 E1 =0 U1= I1R1 U3= I3R3 admin Line admin Line admin Typewriter II admin Line admin Polyline admin Pencil admin Pencil admin Pencil admin Pencil.