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RLC COMBINATIONS

 

Sure, you know all of these, but take a look anyway.


Z = R1
q = 0

Z = 2*
p*f*L1 = XL1
q = 90 = +j

Z =       1     = XC1
2*
p*f*C1  
q = -90 = -j

Z = R1 + R2 + R3 + ...
q = 0

Z = XL1 + XL2 + XL3 + ...
q = 90 = +j

Z = XC1 + XC2 + XC3 + ...
q = -90 = -j

Z = sqrt (R2 + XL2)
q = tan-1 (XL/R)

Z = sqrt (R2 + XC2)
q = tan-1 (XC/R)

Z = |XL - XC|
q = 0 at resonance
 
Z = sqrt [R2 + (XL-XC)2]
q = tan-1 [(XL - XC)/R]

 
q = 0


q = 90 = +j


q = -90 = -j

 


q = tan-1 (R/XL)


q = tan-1 (R/XC)


q = 0 at resonance