How To Find A Missing Resistance In Parallel Circuit

By | July 12, 2022



As any electrician knows, troubleshooting an electrical circuit can be quite a challenge. When dealing with circuits containing components in parallel, it can be even more difficult to find a missing resistance. Fortunately, there are a few techniques electricians can use to help them find the missing resistance.

Finding the missing resistance in a parallel circuit requires being able to identify potential defects in the wiring. With the help of a multimeter and an understanding of Ohm’s Law, electricians can find the missing resistance. First, take the time to become familiar with the wiring diagram and make sure all of the resistors are connected correctly. Once that is done, use your multimeter to test each resistor for continuity. This will allow you to determine if any of the resistors are abnormally high or low.

If a resistor is found to be abnormally low, this could indicate that there is a missing resistor in parallel with it. To confirm this, use your multimeter to measure the resistance of the entire circuit. If the resistance is much higher than it should be, then it is likely that one of the resistors is missing. To find out which resistor is missing, divide the total resistance by the number of resistors that should be present. This will give you the missing resistance.

Another way to find a missing resistor in a parallel circuit is to measure the voltage across each resistor. For example, if the voltage across two of the resistors is the same, then this could indicate that one of the resistors is missing. To confirm, divide the total voltage by the number of resistors that should be present. If the result is less than it should be, then a resistor is missing.

Finding a missing resistor in a parallel circuit can be a difficult task. However, with the help of a multimeter and an understanding of Ohm’s Law, electricians can find the missing resistance and get their circuit back up and running. By taking the time to become familiar with the wiring and using the techniques outlined above, electricians can quickly and easily find the missing resistor.


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