AC vs DC

This passage explores the differences between Alternating Current (AC) and Direct Current (DC), explaining how each type of electricity works and their practical uses. It provides a historical perspective, discussing Thomas Edison’s development of DC and Nikola Tesla’s invention of AC. The passage describes how DC flows in a single direction, while AC periodically changes direction, making it more efficient for long-distance power transmission. It highlights the advantages and disadvantages of both types and explains how they are used in modern electrical systems.

This passage introduces students to specific vocabulary associated with electrical systems, such as Alternating Current, Direct Current, and power transmission. The comparison between AC and DC enhances comprehension skills, as students must grasp the differences and applications of both. Critical thinking is fostered as students evaluate the pros and cons of each type of current and how they impact daily life. Additionally, the passage’s historical context and technical descriptions provide a strong example of well-structured informational writing, helping students improve their grammar and reading fluency.