An alternating voltage is given by v=100 sin(50πt −0.30)V. Which of the following statements is true? a. The r.m.s. voltage is 100V b. The periodic time is 20 ms c. The frequency is 25 Hz d. The voltage is leading v=100 sin 50πt by 0.30 radians   Which one is mainly used for a periodic signals? a. None of the above b. Both c and d c. Fourier series d. Fourier transform

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An alternating voltage is given by v=100 sin(50πt −0.30)V. Which of the following statements is true?

a. The r.m.s. voltage is 100V

b. The periodic time is 20 ms

c. The frequency is 25 Hz

d. The voltage is leading v=100 sin 50πt by 0.30 radians

 

Which one is mainly used for a periodic signals?

a. None of the above

b. Both c and d

c. Fourier series

d. Fourier transform

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