ALLIED'S ELECTRONICS DATA HANDBOOK

Most Used Formulas (cont.)

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  of resistance in series,
                      Z = R1 + R2 + R3 ... etc.
                     = 0o
     
  of inductance and capacitance in series,
 
                     Z = XL - XC
                    = -90o when XL < XC
                        = 0o when XL = XC
                        = +90o when XL > XC
   
  of inductance alone
                      Z = XL
                     = +90o
 
   
  of inductance in series,
                     Z = XL1 + XL2 + XL3 ... etc.
                     = +90o
     
  of resistance, inductance and capacitance in series
                    
                    
   
  of capacitance alone,
                      Z = XC
                     = -90o
     
  of resistance in parallel,
                     
                     = 0o
   
  of capacitance and resistance in parallel,
                     Z = XC1 + XC2 + XC3 ...etc.
                     = -90o
 
   
  or where only 2 capacitances C1 and C2 are
  involved,
                    
                     = -90o
     
  of resistance in parallel,
                    
                     = 0o
   
  of resistance and inductance in series,
                    
                    
     
  of inductance in parallel,
                    
                     = +90o
   
  of resistance and capacitance in series,
                    
                    
 

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