GATE 2016 ECE Signals and Systems Sample Paper Questions And Answers

Question 1--  

A periodic signal has fourier series coefficient (ak) . The magnitude and phase spectrum of  (ak) is shown below....


 Then x(t) is


Option (A) Real and Odd

          (B) Real and Even

          (C) Imaginary And Odd

          (D) Imaginary And Even

Check Your Answer Below This Post 


Question 2 
  
Which is following is correct


 Option (A) All bounded periodic signals are power signals

           (B) All signals are either energy and power signals

           (C) All bounded aperiodic signals are power signals

           (D) All bounded aperiodic signals are energy signals


Solution Question 1- 

We have a12 = a(-12) = -3

So x(t) is real and even Option B Correct answer


Solution Question 2-

periodic signals exist from (- infinity) to ( + infinity) and hence have infinite energy  and are power signals  OPTION (A) is correct answer


Keywords-  GATE EC Gate Exam 2016 Q & A sample  Sample Paper  Signals And Systems


 


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3 comments

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GATE ELECTRONICS AND COMMUNICATION,(117) SIGNALS AND SYSTEMS QUESTIONS & ANSWERS
http://gate-exam.in/EC/Syllabus/Electronics-Communication-Engineering/Signals-Systems

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