4) For the following pairs of sinusoids, determine which one leads and by how much.a) v(t) = 10 cos(4t – 60°) and i(t) = 4 sin(4t + 50°)b) vị (t) = 4 cos(377t + 10°) and v2 (t) = -20 cos 377tc) i(t) = – sin(wt + 30°) and v(t) = 2 sin(wt + 10°)d) x(t) = 13 cos 2t + 5 sin 2t and y(t) = 15 cos(2t – 11.8°)

4) For the following pairs of sinusoids, determine which one leads and by how much. a) v(t) = 10 cos(4t – 60°) and i(t) b) v1 (t) = 4 cos(377t + 10°) and v2 (t) = –20 cos 377t c) i(t) = – sin(wt + 30°) and v(t) = 4 sin(4t + 50°) 2 sin(wt + 10°)

4) For the following pairs of sinusoids, determine which one leads and by how much. a) v(t) = 10 cos(4t – 60°) and i(t) b) v1 (t) = 4 cos(377t + 10°) and v2 (t) = –20 cos 377t c) i(t) = – sin(wt + 30°) and v(t) = 4 sin(4t + 50°) 2 sin(wt + 10°)

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

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Question

4) For the following pairs of sinusoids, determine which one leads and by how much.
a) v(t) = 10 cos(4t – 60°) and i(t) = 4 sin(4t + 50°)
b) vị (t) = 4 cos(377t + 10°) and v2 (t) = -20 cos 377t
c) i(t) = – sin(wt + 30°) and v(t) = 2 sin(wt + 10°)
d) x(t) = 13 cos 2t + 5 sin 2t and y(t) = 15 cos(2t – 11.8°)

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