The Wheatstone bridge shown in Fig. here, gets balanced when the carbon resistor used as `R_(1)` has the colour code (Orange, Red, Brown). The resistors `R_(2) and R_(4)` are `80 Omega` and `40 Omega`, respectively. Assuming that the colour code for the carbon resistor, used as `R_(3)`, would be:
A
Brown, Blue, Brown
B
Brown, Green, Black
C
Red, Green, Brown
D
Grey, Black, Brown
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