Transcription: In this lesson we will be discussing two resistors in series with a third resistor in parallel. This circuit diagram shows two resistors in series in the first branch and one resistor, the third, in parallel. The branch containing the two resistors R1 and R2 in series is parallel to the branch containing R3. The total resistance in the first branch equals R1 plus R2. The total resistance in the second branch is equal to R3. Total equivalent resistance since the two branches are parallel is equal to the quantity R1 plus R2 times R3 divided by R1 plus R2 plus R3. The total current I in the circu ...
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