Question

Problem 2. Consider the sinusoidal voltage given by v(t) = 25 cos(400nt + 60°) V. a. What is the maximum amplitude of the voltage? b. What is the frequency in hertz? c. What is the frequency in radians per seconds? d. What is the phase angle in radians? e. What is the phase angle in degrees? f. What is the period in milliseconds? g. What is the first time after t=0 that v=0?

Answer 1

Ult) = 25.Cos Cut +60°). V . ③ max. amplitude of wo dlage m=25 = your = auf =) f= you = 2047 frequency of = 2t3 WH) = I'm los Cut to ) (W = Hast rad/sec au . yoort D iphase angle = 60° Bit rad = 180° 180 180 . por rad . Bol = 60 g = a rad. 8 = this rad ¢=pheik ange = 600 period To WT - 20-4 pere od caut 4 2000

Т., — . ам . — цоо и Яoo т абмее. (6) ) = 35 сы («воть +6° ) СА (чооч + + 6 ) = 0 Zoom E + 60 = 9 чови + = 30 . + = 30 ... чоо и afferto at time t = 23. 8 À mfea V=0.