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Summary - h1011v1_118
Figure 18    Resistance in a Series Circuit

Electrical Science Volume 1 of 4
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Basic DC Theory BASIC DC CIRCUIT CALCULATIONS BASIC DC CIRCUIT CALCULATIONS Each type of DC circuit contains certain characteristics that determine the way its voltage and current behave.  To begin analysis of the voltages and currents at each part of a circuit, an understanding of these characteristics is necessary. EO 1.7 Given  a  circuit,  CALCULATE  total  resistance  for  a series or parallel circuit. EO 1.8 DESCRIBE   what   is   meant   by   the   term   "voltage divider." EO 1.9 DESCRIBE   what   is   meant   by   the   term   "current division." Series Resistance The total resistance in a series circuit is equal to the sum of all the parts of that circuit, as shown in equation (2-3). RT = R1 + R2 + R3 ... etc. (2-3) where RT = resistance total R1, R2, and R3 = resistance in series Example: A  series  circuit  has  a  60W,  a  100W,  and  a  150W  resistor  in  series  (Figure 18). What is the total resistance of the circuit? Solution: RT = R1 + R2 + R3 = 60 + 100 + 150 = 310 W Rev. 0 Page 23 ES-02







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