BASIC DC CIRCUIT CALCULATIONSBasic DC TheoryFigure 18 Resistance in a Series CircuitThe total voltage across a series circuit is equal to the sum of the voltages across each resistorin the circuit (Figure 19) as shown in equation (2-4).VT= V1 + V2 + V3 ... etc. (2-4)whereVT= total voltageV1= voltage across R1V2= voltage across R2V3= voltage across R3ES-02 Page 24 Rev. 0
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