A sine wave voltage has peak value of 110Vp. For one cycle, what is the instantaneous voltage v at the following angles: (2) (а) 30°, (b) 120°, (с) 220°, (d) 210°, (е) 345° Answers: (a) v = V (b) v = V (c) v = V (d) v = V (e) v = V (3) Referring to the same AC voltage of Problem# (2) at what angles (from 0 to 720°) will the instantaneous voltage v be : (a) 90 V and (c) -60 V Answers: (a) 0,= e, = 03 = e, = degrees (b) 0,= 0, = degrees

A sine wave voltage has peak value of 110Vp. For one cycle, what is the instantaneous voltage v at the following angles: (2) (а) 30°, (b) 120°, (с) 220°, (d) 210°, (е) 345° Answers: (a) v = V (b) v = V (c) v = V (d) v = V (e) v = V (3) Referring to the same AC voltage of Problem# (2) at what angles (from 0 to 720°) will the instantaneous voltage v be : (a) 90 V and (c) -60 V Answers: (a) 0,= e, = 03 = e, = degrees (b) 0,= 0, = degrees

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 7RQ

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