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2 is stable / unstable. Box the right 1 (x) An LTI system with H(s) = %3D answer.

2 is stable / unstable. Box the right 1 (x) An LTI system with H(s) = %3D answer.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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(i) The exponential Fourier series coefficient ar of the impulse train 8(t – 5n) is n=-00 (a) 5 (b) 0.2 (c) 5k k (d) (ii) The periodic signal a(t) with wo (b) ao = 2+e-j6 3 has ao = 2. The periodic signal x(t – 2) has = %3D (a) ao = 2e-j6 (c) ao = 2e16k (d) 2 (iii) An LTI system has H(s) Let a = tan-1. The output for an input cos 3t is 8+ 4 (b) 5 cos(3t – a) (a) cos(3t – a) (c) 4 cos(3t + 3a) (d) 2 cos(t - 3a) (iv) If x(t) = sin () for 0<t < 3 and is periodic with T = 3, then (a) ar's are real. (b) a,'s do not exist. (c) a = 0 for odd k (d) ar's are imaginary. (v) Let r(t) be real and odd function of t, its Fourier transform X(jw) is imaginary and even function of w. True / False. Box the right answer. (vi) The Fourier spectrum of the signal a(t) = 2+ cos 10t has (a) two impulses (b) four impulses (c) three impulses (d) infinite number of impulses (vii) The ROC of Laplace transform of r(t) = e = e-3t| is (a) a strip of finite width (b) left-sided (c) right-sided (d) entire s-plane (viii) A right-sided signal r(t) has a Laplace transform X(s) whose ROC is o>-3. Then (a) X(jw) does not exist (b) X(jw) exists (c) s = 3 is a pole (d) s = 3 cannot be a zero 1 Then 3 (ix) A right-sided signal r(t) has a Laplace transform X(s) = %3D 1 (a) / x(t)dt = o (b) a(x) = 0 (c) x(0) = -; (d) x(-3) = 1 2 (x) An LTI system with H(s) is stable / unstable. Box the right answer. 1 1
Transcribed Image Text:(i) The exponential Fourier series coefficient ar of the impulse train 8(t – 5n) is n=-00 (a) 5 (b) 0.2 (c) 5k k (d) (ii) The periodic signal a(t) with wo (b) ao = 2+e-j6 3 has ao = 2. The periodic signal x(t – 2) has = %3D (a) ao = 2e-j6 (c) ao = 2e16k (d) 2 (iii) An LTI system has H(s) Let a = tan-1. The output for an input cos 3t is 8+ 4 (b) 5 cos(3t – a) (a) cos(3t – a) (c) 4 cos(3t + 3a) (d) 2 cos(t - 3a) (iv) If x(t) = sin () for 0<t < 3 and is periodic with T = 3, then (a) ar's are real. (b) a,'s do not exist. (c) a = 0 for odd k (d) ar's are imaginary. (v) Let r(t) be real and odd function of t, its Fourier transform X(jw) is imaginary and even function of w. True / False. Box the right answer. (vi) The Fourier spectrum of the signal a(t) = 2+ cos 10t has (a) two impulses (b) four impulses (c) three impulses (d) infinite number of impulses (vii) The ROC of Laplace transform of r(t) = e = e-3t| is (a) a strip of finite width (b) left-sided (c) right-sided (d) entire s-plane (viii) A right-sided signal r(t) has a Laplace transform X(s) whose ROC is o>-3. Then (a) X(jw) does not exist (b) X(jw) exists (c) s = 3 is a pole (d) s = 3 cannot be a zero 1 Then 3 (ix) A right-sided signal r(t) has a Laplace transform X(s) = %3D 1 (a) / x(t)dt = o (b) a(x) = 0 (c) x(0) = -; (d) x(-3) = 1 2 (x) An LTI system with H(s) is stable / unstable. Box the right answer. 1 1
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