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Electrostatic Potential and Capacitance — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectrostatic Potential and Capacitance1 Mark
Question
A point charge $Q$ is placed at point $O$ as shown in the figure. The potential difference $V_A-V_B$ positive. Is the charge Q negative or positive?
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Answer

$V_A-V_B>0$.

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