GATE EE 2022 Set 1 — Question 18

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MCQ+1 / -0.33MediumError AnalysisMeasurement PrinciplesElectrical & Electronic MeasurementsWheatstone & Kelvin BridgeBridges & Potentiometers

Electrical & Electronic Measurements → Bridges & Potentiometers → Error Analysis

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Question

A balanced Wheatstone bridge ABCDABCD has the following arm resistances:
RAB=1 kΩ±2.1%R_{AB} = 1\text{ k}\Omega \pm 2.1\%; RBC=100 Ω±0.5%R_{BC} = 100\text{ }\Omega \pm 0.5\%; RCDR_{CD} is an unknown resistance;
RDA=300 Ω±0.4%R_{DA} = 300\text{ }\Omega \pm 0.4\%. The value of RCDR_{CD} and its accuracy is
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