Answer
$V_A-V_B=3600V$
Work Step by Step
We have to find $V_A-V_B$.
We know that, $V_A=V_S=9000V$
We also know that $V_B=5400V$
Therefore, $V_A-V_B$:
$V_A-V_B=9000-5400$
$V_A-V_B=3600V$
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