# Bb r2 r1 v calculation calculation

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Unformatted text preview: rallel Parallel Combination Ra Series Combination Ra Rb Parallel: Can make a loop that contains only those two resistors Rb Series : Every loop with resistor 1 also has resistor 2. R2 R1 V Calculation Calculation In the circuit shown: V = 18V, R1 = 1Ω, R3 R2 = 2Ω, R3 = 3Ω, and R4 = 4Ω. What is V2, the voltage across R2? R4 • Combine Resistances: R2 and R4 are connected: (A) in series (B) in parallel (C) neither in series nor in parallel Series Combination Ra Rb Series : Every loop with resistor 1 also has resistor 2. BB R2 R1 V Calculation Calculation In the circuit shown: V = 18V, R1 = 1Ω, R3 What is V2, the voltage across R2? R4 • Combine Resistances: R2 = 2Ω, R3 = 3Ω, and R4 = 4Ω. R2 and R4 are connected in series = R24 = 2 + 4 = 6 Ω Redraw the circuit using the equivalent resistor R24 = series combination of R2 and R4. R1 V R1 R3 R2 4 V R1 R3 V R2 4 (A) (B) (C) R3 R2 4 BB Calculation Calculation R1 V In the circuit shown: V = 18V, R3 R24 R1 = 1Ω, R2 = 2Ω, R3 = 3Ω, and R4 = 4Ω. R24 = 6Ω What is V2, the voltage across R2? • Combine Resistances: R2 and R4 are connected in series = R24 R3 and R24 are connected in parallel = R234 What is the valu...
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