Electrical Engineering > GATE 2022 > Bridges
A balanced Wheatstone bridge ABCD has the following arm resistances: RAB=1 kΩ±2.1%; RBC=100 Ω±0.5%; RCD is an unknown resistance; RDA=300 Ω±0.4%. The value of RCD and its accuracy is
A
30 Ω ± 3 Ω
B
30 Ω ± 0.9 Ω
C
3000 Ω ± 90 Ω
D
3000 Ω ± 3 Ω

Correct : b

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Wheatstone bridge balanced Wheatstone bridge GATE Electrical Engineering 2022 electrical engineering gate bridge balance resistor accuracy Wheatstone bridge calculation GATE 2022 resistor tolerance bridge resistance calculation

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