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R1, R2, R3 are different values of R, A,...

`R_1, R_2, R_3` are different values of `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?

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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