Question 1--
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
A periodic signal has fourier series coefficient (ak) . The magnitude and phase spectrum of (ak) is shown below....
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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2 comments
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GATE ELECTRONICS AND COMMUNICATION,(117) SIGNALS AND SYSTEMS QUESTIONS & ANSWERS
Replyhttp://gate-exam.in/EC/Syllabus/Electronics-Communication-Engineering/Signals-Systems
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