In a potentiometer experiment for measuring the emfofa cell the null point is at 480 cm when we have a
1009 resistor in series with the cell and galvanometer. If the series resistances is reduced to half tie null
pomt will be at
1) 120 cm
2) 240 cm
3) +80 cm
4) 600 cm
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Answer is 600. Please mark me as brainlist.
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