Figure 1 shows a half wave rectier that is used to clip the negative portion of an input sinusoidal voltage, Vina) = 100 sin 5011:, where t is time. Diode vino) o co) Figure 1. Half wave rectier i. State the piecewise function to represent the rectied voltage, 1M1?) for one cycle. ii. Sketch the graph of the rectied voltage, 12;.(t) for two cycles. iii. Find the Fourier series expansion of the rectied voltage, it)