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### 14 Cards in this Set

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 What is the formula for solving capacitance in a series and parallel circuit? Series: Ct= 1/(1/C1 + 1/C2 + 1/Cn) OR Ct= (C1 x C2)/(C1 + C2) Parallel: Ct= C1+C2+Cn When solving capacitors it is the opposite of what other component? Resistors The total for inductance in a parallel and series circuit is the same as what component? Resistors What is the formula for inductance in parallel and series? Series: Lt= L1+L2+Ln Parallel: 1/Lt= 1/L1+1/L2+1/Ln OR Lt= 1/ (1/L1+1/L2+1/Ln) OR Lt= (L1xL2)/(L1+L2) What are the different formulas for POWER? P= I^2R, P= IxE, P= E^2/R, Pt= Sqr. of (P)Rt^2+(P)Ct^2, Pt= Sqr of (P)Rt^2+(P)Lt^2, Pt= Sqr. of (P)Rt^2+(Pl-Pc)^2 What are the different formulas for VOLTAGE? E= P/I, E= IxR, E= Sqr. Root of PxR, E= Sqr of (E)Rt^2+(E)Ct^2; E= Sqr of (E)Rt^2+(E)Lt^2; E= Sqr of (E)Rt^2+(El-Ec)^2 What are the different formulas for Resistance? R= E/I, R= E^2/P, R= P/I^2 What are the different formulas for Current? I= E/R, I= P/E, I= Sqr. root of P/R; I= Sqr of (I)Rt^2+ (I)Ct^2; I= Sqr of (I)Rt^2+ (I)Lt^2; I= Sqr of (I)Rt^2+((I)Lt-(I)ct)^2 What are the formulas for Xc (capacitive reactance)? Xc= 1/(2(pie)fC; Xc= Xc1+Xc2+Xcn What are the formulas for Z (impedance)in a series and parallel? Series: Z= Sqr of R^2+Xc^2; Z= Sqr of R^2+Xl^2; Z= Sqr of R^2+(Xl-Xc)^2 Parallel: Z= Ea/It Formulas for Transformers %Effieciency= Ps/Pp x 100; Pp=PS; Np/Ns=Ep/Es <--TURNS Formulas for Time Constants 1 TC=RC; 1 TC=L/R Formulas for Resonance Xl=Xc; fr=1/(2(pie)Sqr. rt. of LC; BW=fr/Q; Q=Xl/R (SERIES); Q=R/Xl (PARALLEL) Formulas for Sine Waves RMS= .707 x PEAK; AVG= .636 x PEAK;