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(A) According to Kirchhoff's Current Law $(KCL)$, the sum of currents entering a junction equals the sum of currents leaving it.Let us analyze the tot

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$3.4$

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(A) According to Kirchhoff's Current Law $(KCL)$, the sum of currents entering a junction equals the sum of currents leaving it.Let us analyze the total current entering the network and the total current leaving it.Total current entering the network:$I_{	ext{in}} = 1 	ext{ A} + 2 	ext{ A} + 3 	ext{ A} + 0.8 	ext{ A} = 6.8 	ext{ A}$Total current leaving the network:$I_{	ext{out}} = 1.2 	ext{ A} + 0.5 	ext{ A} + 1.7 	ext{ A} + I = 3.4 	ext{ A} + I$Equating the two:$6.8 	ext{ A} = 3.4 	ext{ A} + I$$I = 6.8 	ext{ A} - 3.4 	ext{ A} = 3.4 	ext{ A}$

In the following electrical network, the value of $I$ is (in $\text{ A}$)

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