With resistance R1 in the left gap and the resistance R2 in the right gap of Metrebridge the null point is obtained at the distance of 70cm from the left end when R1 is reduced by 2ohm and R2 is increase by 2ohm the null point obtain at 30 cm find the value of resistance R1 and R2
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its too long to solve ..
so sorry when I compl I will Ans u .. really
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