ࡱ> '` ^bjbjLULU ".?.?k4$@$[WpLMSMSMSVVVVVVV$UXhZV-MS+S"MSMSMSVo8WSSSMS*VSMSVSSVVF:Vd OgiSnVV+W0[WvV,Y[S:Y[VY[V MSMSSMSMSMSMSMSVVSMSMSMS[WMSMSMSMS 88 Resistance in series and parallel Resistance is measured in OHMS (() Resistance opposes the flow of electrons or charge. Resistance in series To find the total resistance in series we add up all the individual resistances RT =R1+R2+R3 For example what is the total of a 5( , 7( and 15( resistor in series? R1=5( R2 =7( R3=15( RT =R1+R2+R3 RT =5+7+15=27( Resistance in Parallel Adding resistors in parallel reduces the total resistance of the circuit (It is worth noting that the total resistance will be lower than the biggest resistor, use this for estimations!) The formula looks quite complicated and causes problems but with modern calculators it becomes an easy sum to work out.  EMBED Equation.3  For example what is the total of a 5( , 7( and 15( resistor in parallel? 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