AC or DC: The War of Currents – IELTS Reading Answers
You should spend about 20 minutes on Questions 14-26, which are based on the reading passage below.
AC or DC: The War of Currents
Answers
The answers to questions 14-26 are given below along with their explanations.
| Question Number | Answer | Keywords | Locations of Keywords |
|---|---|---|---|
| 14 | storage batteries | can allow storage batteries, directly connected | Para 3, line 1 |
| 15 | (the) voltage significantly | electrical resistance, wires significantly reduces the voltage | Para 2, lines 5-6 |
| 16 | DC | no practical AC motors, only DC ones | Para 3, lines 3-4 |
| 17 | expensive | allows thinner and less expensive wires | Para 4, lines 4-5 |
| 18 | B | Edison’s, influence, American state governments | Para 7, lines 3-4 |
| 19 | D | this was even filmed | Para 7, last line |
| 20 | E | Edison’s, claim, high-voltage systems, too dangerous to use | Para 7, line 1 |
| 21 | C | AC, Nikola Tesla, researched
George Westinghouse, patents, AC-based, technology |
Para 4, lines 5-6
Para 6, lines 3-4 |
| 22 | B | he founded the Edison Illuminating Company
Westinghouse, formed a company |
Para 2, lines 2-3
Para 6, lines 3-4 |
| 23 | A | direct confrontation | Para 5, line 6 |
| 24 | A | Edison had, patents, many, DC devices, he, invented | Para 3, lines 5-6 |
| 25 | B | Edison had, patents, many, DC devices, he, invented
George Westinghouse, purchased, patents |
Para 3, lines 5-6
Para 6, lines 3-4 |
| 26 | C | Tesla, mathematical training, formal theoretical knowledge
electrical engineer, George Westinghouse |
Para 5, lines 3-4
Para 6, lines 2-3 |
Also check :
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