Transcription: In this lesson we will be discussing two resistors in parallel and a third resistor in series. In the circuit diagram shown, two resistors are in parallel with a third in series. The equivalent resistance of R2 and R3 is R2 times R3 divided by R2 plus R3. And since the third resistor R1 is in series with the parallel combination of R2 and R3, the total equivalent resistance in the circuit can be expressed by RT equals R1 plus R2 times R3 divided by R2 plus R3 or R1 times R2 plus R1 times R3 plus R2 times R3 divided by R2 plus R3. The total current I drawn from the voltage source is given by E ...
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