GATE | Gate IT 2007 | Question 45
The line T in the following figure is permanently connected to the ground.
Which of the following inputs (X1 X2 X3 X4) will detect the fault ?
(D) None of these
We consider circuit in two different configurations to check the inputs. And then apply the three available inputs to get output values. On doing so, we observe that all inputs give same outputs in both the configurations. Thus None of these is the answer.
This solution is contributed by Kriti Kushwaha.
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