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[" A potentiometer having a "],[" wire o...

[" A potentiometer having a "],[" wire of "4m" length is "],[" connected to the terminals "],[" of a battery with a steady "],[" voltage.A leclanche cell has "],[" a null point at "1m" .If the "],[" length of the potentiometer "],[" wire is increase by "1m" ,the "],[" position of the null points is "]

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