Yep, (R5 + R6) are connected in parallel with (R3+R4). As I says early please notice that this two voltage divider (R3,R4) and (R5,R6) are the same. They have the same voltage ratio R4/(R3+R4) = R6/(R5+R6).Here are my calculations. Would you mind showing me where I went wrong?
Just remember that Vxy is short for Vx - Vy.
In this particular case, if you look at the values closely, you can answer the question by inspection. But, if not, just analyze the circuit as described above and you will get the answer. Once you do, then ask yourself if, in hindsight, there are things you could have spotted that would have led you to the same result with less work.Just remember that Vxy is short for Vx - Vy.
So find the voltage at Node A (Va), Find the voltage at Node B (Vb). Then compute Vab = Va - Vb.
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