Final answer:
Troubleshooting a parallel circuit involves drawing a circuit diagram, identifying known and unknown values, determining the arrangement of resistors, and using parallel connection features to find solutions. Ensure results are reasonable and consistent.
Step-by-step explanation:
To troubleshoot a parallel circuit for opens, you can follow several basic steps. First, draw a clear circuit diagram, labeling all resistors and voltage sources. This will help you identify the known values within the circuit. Next, identify what needs to be determined (the unknowns) and create a list for reference. The third step is to determine whether resistors are in series, parallel, or a combination of both by examining the circuit diagram. Finally, use the list of major features for parallel connections to solve for the unknowns. Remember to test your solutions to ensure they are reasonable and consistent with the physical properties of the circuit.
During the troubleshooting process, measurements such as the voltage across each resistor and the current before and after each resistor should be taken. Assess whether the results are consistent with total parallel resistance being smaller and power in parallel being greater compared to series connections.