Question 1 (a) In the late 1800s, the "current wars" between Direct Current (DC) and Alternating Current (AC) has been won by AC due to its distribution efficiency, and has since been adopted as the mainstream power generation system from then till the present day. (i) Explain why AC has an advantage over DC in terms of distribution efficiency. (ii) Apart from the invention of the two-phase AC motor by Nikola Tesla, identify the other important invention that enabled the efficient distribution of AC power, and briefly describe its working principles. V/2. T. -V/2 Figure 1 (b) A sawtooth waveform given in Figure 1 has a period of T and a peak-to-peak voltage of V. Find the root-mean-square (RMS) voltage of the waveform.

Question 1 (a) In the late 1800s, the "current wars" between Direct Current (DC) and Alternating Current (AC) has been won by AC due to its distribution efficiency, and has since been adopted as the mainstream power generation system from then till the present day. (i) Explain why AC has an advantage over DC in terms of distribution efficiency. (ii) Apart from the invention of the two-phase AC motor by Nikola Tesla, identify the other important invention that enabled the efficient distribution of AC power, and briefly describe its working principles. V/2. T. -V/2 Figure 1 (b) A sawtooth waveform given in Figure 1 has a period of T and a peak-to-peak voltage of V. Find the root-mean-square (RMS) voltage of the waveform.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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