Reading Comprehension: Main Idea Questions
The passage is primarily concerned with which of the following?
Incorrect.
[[snippet]]This answer choice is too general. While the passage is concerned with the commercialization of several scientific inventions, it focuses on a certain field (electricity distribution) and on a specific period (the end of the 19th century).
Incorrect.
[[snippet]]This answer choice is too general. The passage focuses on the electric distribution systems these men promoted, not all their business ventures (which may have been many).
Incorrect.
[[snippet]]This answer choice is too narrow. The personal rivalry between Edison and Tesla is discussed in the third paragraph only.
Incorrect.
[[snippet]]This answer choice is too narrow. The advantages that helped AC defeat DC are mentioned only in the fifth paragraph.
You're right!
[[snippet]]The passage revolves around the War of the Currents, a competition in which each side sought to have its electricity distribution method (AC and DC) adopted by residential and industrial consumers.