GATE 2016 Answer Key (Electrical): 7th February

Q. 1 – Q. 25 carry one mark each.

Q.1 The output expression for the Karnaugh map shown below is
(A) A+ B'
(B) A+ C'
(C) A'+C'
(D) A'+C
Answer: A+C'

Q.2 The circuit shown below is an example of a
(A) low pass filter.
(B) band pass filter.
(C) high pass filter.
(D) notch filter.
Answer: (A) low pass filter.

Q.3 The following figure shows the connection of an ideal transformer with primary to secondary turns ratio of 1:100. The applied primary voltage is 100 V (rms), 50 Hz, AC. The rms value of the current I, in ampere, is __________.
Answer: 10

Q.4 Consider a causal LTI system characterized by differential equation

 The response of the system to the input
where u(t) denotes the unit step function, is


Q.5 Suppose the maximum frequency in a band-limited signal X(t) is 5 kHz. Then, the maximum frequency in X(t) cos(2000πt), in kHz, is ________.
Answer: 6 kHz

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.
Keep watching the space

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