The figure below shows currents in a part of electric circuit. The current $i$ is ............. $amp$
Medium
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According to Kirchhoff's first law
At junction $A$, ${i_{AB}} = 2 + 2 = 4\,A$
At junction $B$, ${i_{AB}} = {i_{BC}} - 1 = 3\,A$
At junction $C$, $i = {i_{BC}} - 1.3 = 3 - 1.3 = 1.7\,A$
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