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Questions and Answers
Which energy sources were transformed into electricity in the 20th century?
Which energy sources were transformed into electricity in the 20th century?
- Coal and oil
- Wind and water
- Atom and Sun
- All of the above (correct)
Who were the proponents of direct-current and alternating-current systems in the 20th century?
Who were the proponents of direct-current and alternating-current systems in the 20th century?
- George Westinghouse and Thomas Edison
- Thomas Edison and Nikola Tesla
- Nikola Tesla and George Westinghouse (correct)
- Thomas Edison and George Westinghouse
What was poised to become the muscle of the modern world at the beginning of the 20th century?
What was poised to become the muscle of the modern world at the beginning of the 20th century?
- Electric power (correct)
- Factories
- Coal and oil
- Telecommunications industry
Which industry relies on electric power to keep it running?
Which industry relies on electric power to keep it running?
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What do we tap into with the merest flick of a finger multiple times each day?
What do we tap into with the merest flick of a finger multiple times each day?
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