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13. For the following pairs of sinusoids, determine which one leads and by how much. (a) v(1) = 10 cos(4t – 60°) and i(t) = 4 sin(4t + 50°) (b) v¡(1) = 4 cos(377t + 10°) and V2(1) = –20 cos 377t (c) x(1) = 13 cos 2t + 5 sin 2t and y(1) = 15 cos(2t – 11.8°)

13. For the following pairs of sinusoids, determine which one leads and by how much. (a) v(1) = 10 cos(4t – 60°) and i(t) = 4 sin(4t + 50°) (b) v¡(1) = 4 cos(377t + 10°) and V2(1) = –20 cos 377t (c) x(1) = 13 cos 2t + 5 sin 2t and y(1) = 15 cos(2t – 11.8°)

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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13. For the following pairs of sinusoids, determine which one leads and by how much. (a) v(1) = 10 cos(41 – 60°) and i(t) = 4 sin(4t + 50°) (b) v¡(1) = 4 cos(377t + 10°) and v2(1) = -20 cos 377t (c) x(1) = 13 cos 2t + 5 sin 2t and y(t) = 15 cos(2t – 11.8°)
Transcribed Image Text:13. For the following pairs of sinusoids, determine which one leads and by how much. (a) v(1) = 10 cos(41 – 60°) and i(t) = 4 sin(4t + 50°) (b) v¡(1) = 4 cos(377t + 10°) and v2(1) = -20 cos 377t (c) x(1) = 13 cos 2t + 5 sin 2t and y(t) = 15 cos(2t – 11.8°)
14. Calculate these complex numbers and express your results in rectangular and polar forms. 60 /45° (a) 7.5 – j10 + j2 32/-20° (b) (6 – j8)(4 + j2) 20 - 10 + j24 (c) 20 + (16/–50°)(5 + j12)
Transcribed Image Text:14. Calculate these complex numbers and express your results in rectangular and polar forms. 60 /45° (a) 7.5 – j10 + j2 32/-20° (b) (6 – j8)(4 + j2) 20 - 10 + j24 (c) 20 + (16/–50°)(5 + j12)
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