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GATE-2012 ECE Q10 (networks)

by Krishna Sankar on April 5, 2013

Question 10 on networks from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q10. The average power delivered to an impedance  by a current  is (A) 44.2W (B) 50W (C) 62.5W [...]

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GATE-2012 ECE Q28 (electromagnetics)

by Krishna Sankar on February 20, 2013

quarter_wave_matching_transformer

Question 28 on electromagnetics from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q28. A transmission line with a characteristic impedance of 100 is used to match a 50 section to a 200 section. If the matching [...]

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GATE-2012 ECE Q15 (communication)

by Krishna Sankar on January 25, 2013

entropy_versus_probability

Question 15 on communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q15. A source alphabet consists of N symbols with the probability of the first two symbols being the [...]

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GATE-2012 ECE Q7 (digital)

by Krishna Sankar on January 23, 2013

Question 7 on digital from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q7. The output Y of a 2-bit comparator is logic 1 whenever the 2 bit input A is [...]

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GATE-2012 ECE Q13 (circuits)

by Krishna Sankar on January 22, 2013

voltage_clamper_peak_detector_circuit

Question 13 on analog electronics from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q13. The diodes and the capacitors in the circuit shown are ideal. The voltage  across the diode  is (A)  [...]

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GATE-2012 ECE Q34 (signals)

by Krishna Sankar on December 29, 2012

Question 34 on signals from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q34. Consider the differential equation  with  and  The numerical value of  is (A) -2 (B) -1 (C) 0 (D) [...]

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GATE-2012 ECE Q12 (math)

by Krishna Sankar on December 28, 2012

Question 12 on math from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q12. With initial condition  the solution of the differential equation,  is (A) (B) (C) (D) Solution From the product [...]

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GATE-2012 ECE Q11 (signals)

by Krishna Sankar on December 27, 2012

Question 11 on signals from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q11. The unilateral Laplace transform of is . The unilateral Laplace transform ofis (A)  (B)  (C)  (D)  Solution From [...]

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GATE-2012 ECE Q2 (communication)

by Krishna Sankar on December 15, 2012

power_spectral_density

Question 52 on communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q2. The power spectral density of a real process for positive frequencies is shown below. The values of  and , [...]

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GATE-2012 ECE Q52 (electromagnetics)

by Krishna Sankar on December 1, 2012

Question 52 on electromagnetics from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. An infinitely long uniform solid wire of radius  carries a uniform dc current of density . Q52. The magnetic [...]

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GATE-2012 ECE Q16 (electromagnetics)

by Krishna Sankar on November 25, 2012

coaxial_cable_electric_field

Question 16 on electromagnetics from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q16. A coaxial cable with an inner diameter of 1mm and outer diameter of 2.4mm is filled with [...]

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GATE-2012 ECE Q39 (communication)

by Krishna Sankar on November 17, 2012

message_square_wave

Question 39 on communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q39. The signal  as shown is applied both to  a phase modulator (with  as the phase constant) and a [...]

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GATE-2012 ECE Q47 (math)

by Krishna Sankar on November 13, 2012

Question 47 on math from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper. Q47. Given that and , the value of is (A)  (B)  (C)  (D)  Solution To answer this question, we [...]

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Update : Correction to solution of GATE-2012 ECE Q38

by Krishna Sankar on November 9, 2012

Thanks to Mr. Raghava G D’s comments on the post discussing Question 38 on Communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper, realized that I had made an error [...]

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