Consider the MB shown in the diagram, let the resistance X have temperature coefficient `alpha_(1)` and the resistance from the RB have the temperature coefficient `alpha_(2)`. Let the reading of the meter scale be 10 cm from the LHS. if the temperature of the two resistance increase by small temperature `DeltaT` then what is the shift in the position of the null point ? Neglect all the other changes in the bridge due to temperature rise.A. `9(alpha_(1)-alpha_(2))DeltaT`B. `9(alpha_(1)+alpha_(2))DeltaT`C. `(1)/(9)(alpha_(1)+alpha_(2))DeltaT`D. `(1)/(9)(alpha_(1)-alpha_(2))DeltaT`

Consider the MB shown in the diagram, let the resistance X have tempe

1.	Consider the MB shown in the diagram, let the resistance X have temperature coefficient `alpha_(1)` and the resistance from the RB have the temperature coefficient `alpha_(2)`. Let the reading of the meter scale be 10 cm from the LHS. if the temperature of the two resistance increase by small temperature `DeltaT` then what is the shift in the position of the null point ? Neglect all the other changes in the bridge due to temperature rise.A. `9(alpha_(1)-alpha_(2))DeltaT`B. `9(alpha_(1)+alpha_(2))DeltaT`C. `(1)/(9)(alpha_(1)+alpha_(2))DeltaT`D. `(1)/(9)(alpha_(1)-alpha_(2))DeltaT`
Answer» Correct Answer - A

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