Electrical Engineering > GATE 2015 SET-1 > Bridges
When the Wheatstone bridge shown in the figure is used to find the value of resistor RX, the galvanometer G indicates zero current when R1=50Ω, R2=65Ω, and R3=100Ω. If R3 is known with ±5% tolerance on its nominal value of 100 Ω, what is the range of RX in Ohms?
A
[123.50, 136.50]
B
[125.89, 134.12]
C
[117.00, 143.00]
D
[120.25, 139.75]

Correct : a

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