Find the phase relations for the following pairs of sinusoids. Sketch the curve e and i and determine which one LAGS and LEADS. a. v = 60 sin(377 t + 50°) V ; i = 3 sin(754t − 10°)A b. v = 6.4 sin(7.1 πt + 30°) V ; i = 7.3 sin(7.1 πt − 10°)A c. v = 42.3 sin(400 t + 60°) V ; i = −4.1 sin(400t − 50°)A

Power System Analysis and Design (MindTap Course List)
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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 2.2MCQ: If the rms phasor of a voltage is given by V=12060 volts, then the corresponding v(t) is given by...
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Find the phase relations for the following pairs of sinusoids. Sketch the curve e and i and
determine which one LAGS and LEADS.
a. v = 60 sin(377 t + 50°) V ; i = 3 sin(754t − 10°)A

b. v = 6.4 sin(7.1 πt + 30°) V ; i = 7.3 sin(7.1 πt − 10°)A

c. v = 42.3 sin(400 t + 60°) V ; i = −4.1 sin(400t − 50°)A

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