Analyzing Parallel and Series Circuits to Find Wraparound Voltage

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To find the voltage at the wraparound (WA) after R1, it's essential to identify the configuration of resistors in the circuit. The discussion indicates that R4 and R3 are in series, while R1 and R2 are in parallel with this series combination. Redrawing the circuit to connect R2, R3, and R4 to a common ground can clarify the relationships between these components. This approach will help in accurately calculating the voltage seen by the wraparound. Understanding the series and parallel connections is crucial for solving the circuit effectively.
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I need to find the voltage seen by the wraparound (WA) after R1, but I'm not really sure what's in parallel or series.

When I redraw the circuit I get voltage sources in parallel. So far I think r4 and r3 are in series together. r1 and r2 are parallel along with the r4 and r3 .

http://imageshack.us/photo/my-images/219/59571528.png/

http://imageshack.us/f/219/59571528.png/
 
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Looks like homework. Hint: redraw ckt so R2 R3 and R4 all attach to same common ground.
 

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