A potentiometer having a wire of \( 4 \mathrm{~m} \) length is connected to the terminals of a b...

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A potentiometer having a wire of \( 4 \mathrm{~m} \) length is connected to the terminals of a battery with a steady voltage. A Leclanche cell has a null point at \( 1 \mathrm{~m} \). If the length of the potentiometer wire is increased by \( 1 \mathrm{~m} \), The position of the null point is
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