Question: Referring to the example combining series and parallel circuits and Figure 21.6, calculate I3 in the following two different ways: (a) From the known values

Referring to the example combining series and parallel circuits and Figure 21.6, calculate I3 in the following two different ways:
(a) From the known values of I and I2;
(b) Using Ohm's law for R3. In both parts explicitly show how you follow the steps in the Problem-Solving Strategies for Series and Parallel Resistors.

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