The first goal(s) to accomplish in analyzing a complex series?parallel circuit i

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Question
The first goal(s) to accomplish in analyzing a complex series?parallel circuit is to:
Options
A. equate all parallel components
B. equate all series components
C. solve for all the voltage drops
D. solve for the total current and resistance

Correct Answer

solve for the total current and resistance

Series-Parallel Circuits problems

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4.

In the given circuit, what is R_UNK equal to if R_V must be adjusted to 1,232 Ω in order to balance the bridge?
Options
A. 220 Ω
B. 6,899 Ω
C. 1,232 Ω
D. More information is needed in order to find R_UNK.

5. What is the power dissipated by R1, R2, and R3?
Options
A. P1 = 0.13 W, P2 = 0.26 W, P3 = 0.12 W
B. P1 = 0.26 W, P2 = 0.52 W, P3 = 0.23 W
C. P1 = 0.52 W, P2 = 0.92 W, P3 = 0.46 W
D. P1 = 1.04 W, P2 = 1.84 W, P3 = 0.92 W

8. If a series?parallel circuit has all 30-ohm resistors, what is the total resistance when R₁ is in series with a parallel circuit consisting of R₂ and R₃?
Options
A. 10 ohms
B. 20 ohms
C. 45 ohms
D. 90 ohms

9. What is the total resistance of a circuit when R₁ (7 k Ω) is in series with a parallel combination of R₂ (20 k Ω), R₃ (36 k Ω), and R₄ (45 k Ω)?
Options
A. 4 k Ω
B. 17 k Ω
C. 41 k Ω
D. 108 k Ω

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