1. Figure 27.16b with Itop arm = 1 A, Ibottom arm = 0.5 A, what is the combined current?

FIGURE 1115 The cum cf the currents into a junction must equal the cum cf the currents leaving the junction. in] {h} The current in at wire is the same at all points. ' Input currents Output currents I = cunstant TABLE 27.2 Resistivity and conductivity of conducting materials Resistivity Conductivity Material (12m) (0 -'m-' ) Aluminum 2.8 X 10 3.5 X 107 Copper 1.7 X 10 6.0 X 10' Gold 2.4 X 108 4.1 X 10' Iron 9.7 X 10 1.0 X 107 Silver 1.6 X 10 8 6.2 X 107 Tungsten 5.6 X 108 1.8 X 107 Nichrome* 1.5 X 10 6.7 X 10 Carbon 3.5 X 10 5 2.9 X 10* *Nickel-chromium alloy used for heating wires.