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Network
Troubleshooting

The circuit to the right  exhibits a fault. Prior to failure voltage at  TP1 was 4.99-Vdc and TP2 was 12.03 -Vdc and now TP1 is   5.01-Vdc and TP2 is 8.75- Vdc.   Determine which resister has increased or decreased in value.  Only one component is defective.

Measure volts  by clicking the test point symbol .

Answer

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