4. Determine the magnitude of the following instantaneous equations answers must be in 3 decimal places) : a. v = 25 sin (377t + 30°) at t = 6.25ms b. i = 1 sin (628.3t c. i = 150 cos (628.3t + 120°) mA d. v = 500 cos (377t e. v - 230V2 cos (314t) V at t = 17.5ms 45°) A at t - 3.75ms at t = 5ms 120°) mV at t = 12.5ms

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 2.2MCQ: 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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4. Determine the magnitude of the following instantaneous equations
answers must be in 3 decimal places) :
a. v = 25 sin (377t + 30°) at t = 6.25ms
b. i = 1 sin ( 628.3t - 45°) A at t = 3.75ms
c. i = 150 cos (628.3t + 120°) mA at t = 5ms
d. v = 500 cos (377t - 120°) mV
at t = 12.5ms
e. v =
5. Determine the rms values of the following instantaneous equations
230vz cos (314t) V at t = 17.5ms
-- (answers must be in 4 decimal places).
å. v 25 sin (377t + 30°)
b. i = 1 sin (628.3t
c. i = 150 sin (628.3t + 120°) mA
d. v = 500 sin (377t
e. v = 230v2 cos (314t) V
45°) A
120°) mv
Transcribed Image Text:4. Determine the magnitude of the following instantaneous equations answers must be in 3 decimal places) : a. v = 25 sin (377t + 30°) at t = 6.25ms b. i = 1 sin ( 628.3t - 45°) A at t = 3.75ms c. i = 150 cos (628.3t + 120°) mA at t = 5ms d. v = 500 cos (377t - 120°) mV at t = 12.5ms e. v = 5. Determine the rms values of the following instantaneous equations 230vz cos (314t) V at t = 17.5ms -- (answers must be in 4 decimal places). å. v 25 sin (377t + 30°) b. i = 1 sin (628.3t c. i = 150 sin (628.3t + 120°) mA d. v = 500 sin (377t e. v = 230v2 cos (314t) V 45°) A 120°) mv
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