In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another cell, then balancing length is

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In potentiometer experiment, a cell of emf `1.25 V` gives balancing length of 30 cm. If the cell is replaced by another ... . `~=1.47 V` D. `~=1.37 V`

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