1.

When the Wheatstone bridge shown is used to find value of resistance Rx, the galvanometer G indicates zero current when R1 = 50 Ω, R2 = 65 Ω & R3 = 100 Ω. if R3 is known with 5% tolerance on its nominal value of 100 Ω What is the range of Rx in ohms.

A. [123.5, 136.5]
B. [125.898, 134.12]
C. [117, 143]
D. [120.25, 139.75]
Answer» B. [125.898, 134.12]


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