A resistance of \( R \Omega \) draws current from a potentiometer a...

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A resistance of \( R \Omega \) draws current from a potentiometer as shown in the figure. The potentiometer has a total resistance \( \mathrm{R}_{0} \Omega \). A voltage \( \mathrm{V} \) is supplied to the potentiometer. Derive an expression for the voltage across \( \mathrm{R} \) when the sliding contact is in the middle of the potentiometer.
\( \mathrm{P} \)
\( \mathrm{W} \)
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