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Chapter 5

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Branch   One current path in a parallel circuit  
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Current Divider   A parallel circuit in which the currents divide inversely proportional to the parallel branch resistances  
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Kirchhoff's Current Law   A law stating that the total current into a node equals the total current out of the node. Equivalently, it can be stated that the algebraic sum of all the currents entering and leaving a node is 0  
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Node   A point or junction in a circuit at which two or more components are connected  
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Parallel   The relationship between two circuit components that exists when they are connected between the same pair of nodes  
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Total Parallel Resistance 5-1   RT = 1÷ 1/R1 + 1/R2 + 1/R3 + ... 1/Rn  
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Special Case for Two Resistors in Parallel 5-2   RT = R1R2 ÷ R1 + R2  
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Special Case for n Equal-Value Resistors in Parallel 5-3   RT = R ÷ n  
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Kirchhoff's Current Law 5-4   Iin(1) + Iin(2) + Iin(3) + ... Iin(3) = Iout(1) + Iout(2) + Iout(3) + ... Iout(m)  
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General Current-Divider formula 5-5   Ix = (RT ÷ Rx) IT  
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Two-Branch Current-Divider Formula 5-6   I1 = (R2 ÷ R1 + R2) IT  
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Two_Branch Current-Divider Formula 5-7   I2 = (R1 ÷ R1 + R2) IT  
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Total Power 5-8   PT = P1 + P2 + P3 + ... Pn  
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Created by: phrogger
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