Physics - Current Electricity Question with Solution | TestHub

$\begin{array}{rl}& {\mathrm{I}}_4={\mathrm{I}}_1+{\mathrm{I}}_2+{\mathrm{I}}_3=1+2+3=6\mathrm{A}\\ & {\mathrm{I}}_6={\mathrm{I}}_4-{\mathrm{I}}_5=6-1.2=4.8\mathrm{A}\\ & {\mathrm{I}}_8={\mathrm{I}}_6+{\mathrm{I}}_7=4.8+0.8=5.6\mathrm{A}\\ & {\mathrm{I}}_{10}={\mathrm{I}}_8-{\mathrm{I}}_9=5.6-0.5=5.1\mathrm{A}\\ & \mathrm{I}={\mathrm{I}}_{10}-{\mathrm{I}}_{11}=5.1-1.7=3.4\mathrm{A}\end{array}$