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R(1),R(2),R(3) are different values R, A...

`R_(1),R_(2),R_(3)` are different values `R, A,B` and `C` are the null points obtained corresponding to `R_(1),R_(2) and R_(3)` respectively. For which resistor, the value of `X` will be the most accurate and why?
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Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Slide wire bridge is most sensitive when the resistance of all the four arms of bridge is same.
Hence, (B) is the most accurate answer.
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