
Basic Circuit Analysis Series Circuits
Section 12 Voltage in Series Circuits Recall a Definition A series circuit has a single path for current flow.  Equation Total Resistance of a Series Circuit R_{T} = R_{1} + R_{2} + R_{3} + ... + R_{n} Where  R_{T} = Total resistance of the series circuit
 R_{1}, R_{2}, R_{3}, R_{n} = Resistance of all the individual resistors
 Examples Examples and Exercises Determine the total resistance of this series circuit. Round your answers to one decimal place.   Some Notes About Resistors in Series  When all resistors in a series circuit have the same value, the total resistance is equal to their common value multiplied by the number of resistors.
Example: A series circuit consisting of four 2.2kW resistors has a total resistance of 4 x 2.2kW = 8.8kW  Removing a resistor from a series circuit raises the total resistance to infinity and causes the current to fall to zero.
 Shorting a resistor in a series circuit decreases the total resistance.
