GATE Electrical 2014 Set 1 | Question: 10

Question

For a periodic square wave, which one of the following statements is TRUE?

• A. The Fourier series coefficients do not exist.
• B. The Fourier series coefficients exist but the reconstruction converges at no point.
• C. The Fourier series coefficients exist and the reconstruction converges at most points.
• D. The Fourier series coefficients exist and the reconstruction converges at every point.