(a) For the periodic square wave shown in Figure 2: (1) Find the trigonometric Fourier series. (ii) Plot the line spectrum of the series for the first 10 harmonics (n=10). (iii) Justify your results with respect to the Fourier coefficients. Rvb V 2m Figure 2 (b) The current i(t) in a 10-mH inductance has the waveform depicted below. (i) Obtain the trigonometric Fourier series for the voltage across the inductance (v). given that w=500 rad/s. LA wt (ii) Plot the Fourier series of VL. (iii) Find the relationship between part (a) and (b) of this question. Figure 3 2w W