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GATE Electrical Solution 7th Feb 2016 (Afternoon)

Q. 26 – Q. 55 carry two marks each.

Q.26 The Boolean expression [(a+b'+c+d') + (b+c')]'simplifies to
(A) 1
(B) (a.b)'
(C) ܽa.b
(D) 0
Answer: 0

Q.27 For the circuit shown below, taking the opamp as ideal, the output voltage Vout in terms of the input voltages V1 , V2 and V3 is
(A)1.8V1 + 7.2V2 -V3
(B) 2V1 + 8V2 - 9V3
(C) 7.2V1 + 1.8V2 -V3
(D) 8V1 + 2V2 - 9V3
Answer:(D) 8V1 + 2V2 - 9V3

For the system shown above, the minimum sampling rate required to sample y(t), so that y(t) can be uniquely reconstructed from its samples, is
(A) 2B1
(B) 2(B1+B2)
(C) 4(B1+B2)
(D) ∞
Answer: (D) ∞

Q.29 The value of the integral
 is equal to
(A) 0
(B) 0.5
(C) 1
(D) 2
Answer: (C) 1
Please report if you find any errors in the questions. 
Answers/Solution of remaining questions are under evaluation and the same will be published here soon.
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