We need Kirchhoff's junction rule to solve this problem.
Kirchhoff's junction rule states that current INTO a junction is always EQUAL to current OUT of the junction.
We'll also use Kirchoff's loop rule, which is written as:
We also need to know, from Ohm's law, that:
We can get the current through the 5.00-Ω and 8.00-Ω resistors in terms of I1, I2, and I3 using the junction rule.
We then apply Kirchhoff's loop rule to the three loops visible in the circuit.
Calculate the three currents I1,I2, and I3 indicated in the circuit diagram shown in the figure (Figure 1) .
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