Calculate the unknown resistance !

Posted on 2014-01-07 12:13:00 in Physics by ALEXANDER

In an experiment with carey foster bridge, the shift in the balance point is 5.4 cm when a thick copper strip and one ohm resistance are interchanged. the one ohm resistance is then replaced by an unknown resistance. Now the balance point shifts by 10 cm on interchanging.Calculate the unknown resistance.

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